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first problem :
d^-3 over d^-5

2nd problem:

3x^-2 X (3x²)^-1

 How do astronomers know that dark matter exists? 

Match the settlement or dynasty to one of their developments that occurred in early Chinese history.

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◯  0.5+0.4

2(4+6)= 

Can anybody help me with this carbohydrates assignment question?

8). The leader-member exchange (LMX) point of view is that leaders treat followers collectively.

A). True

B). False

Which is correct?

8). In the context of leader-member exchange (LMX) theory, who receives the most information, concern, confidence, and influence from leaders?

A) Poor performers

B) members of the in-group

C). Other leaders

D). Members of the out-group

Which is correct!

5). Who is most likely to only fulfill the minimum responsibilities of coming to work, completing their job, and going home?

A) members of the out-group

B) members of in-group

C) leaders

D) poor performers

Which is correct!

2). Which is a behavior of directive leaders?

A) giving instructions

B) strict discipline

C) performing tasks with employees

D) being emotionally supportive

Which is correct!

4. The original version of leader-member exchange (LMX) theory was primarily focused on _____.

A) leadership characteristics

B) in-groups versus out-groups

C) follower characteristics

D) organizational effectiveness

Which is correct!

1. Help me out please

1. Can you please help me

Translate the following verbal statement into an algebraic equation and then solve:

Use x for your variable

Two more than a number is seven

Equation ___________

    x = ___________

My car gets 24 miles per gallon, and gasoline costs $2.80 per gallon. If we consider only the cost of gasoline, how much does it cost (in dollar) to drive each mile? Round your answer to the nearest cent.

Choose the TWO fractions that are multiplied together to calculate the solution using dimensional analysis. Make sure that the units of the fractions you choose cross-cancel to produce the unit of your desired answer. You must have the correct two fractions selected at the same time to get credit when you check your answer. You get two attempts to check your answer. 

If we consider only the cost of gasoline, how much does it cost (in dollar) to drive each mile? Round your answer to the nearest cent.

$ ______ per mile

Who is pm of india?

A nerve impulse is

Dimensional analysis

5. In ancient Babylonia, bartering was a way of life. In those time people traded 15 pints of oil for 3 tiger tails. The 1.5 tiger tails are worth 13 cows. You could get three bundles of sticks for one cow. A bundle of sticks could be traded for 18 bean stalks. 3 cows are worth 15 super fruits. So, if you traveled in a time machine and reached ancient Babylonia with 100. pints of oil, how many super fruits could you get?

Can you please help me with these 2

List the various costs to you associated with owning and operating this car

a) When you want to buy a town house and move to the house immediately after buying it, 
what kind of costs you will be faced in the first year? Determine which one is sunk, fixed, 
and variable? What would be the opportunity cost? 
b) Andy runs a small convenient store. He owns the place; he has hired a person for $8 per
hour, 8 hours per day, 7 days a week. He works in the store himself for 3 hours per day. 
The utility cost $500per month, the cost of buying and transporting the goods to his store 
is $3000 per month. The rent rate of the place is $2000 per month. 
a.What is his total monthly expenditure? 
b.What is his monthly opportunity cost? 

please i  do not have access to your answers due to my lack of subscription for the month....i am savingnup for my subscription. please can you assist me with the solutions and forward to my privateee email at [email protected]

i will be so greatful

Can you please help me

Suppose P = 20-0.1QD and P = 5 + 0.5QS . Find equilibrium price (p*) and quantity (q*).