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Question 1. Design a DAC using inverting OPAMP for 3-bit binary value and verify the analog output for the same

Take: Rf=1MΩ

            R=1KΩ

            Vref= -5 V

What is one topic or section that stood out to you in chapter 9?  Text book: Berns, Roberta. Child, Family and Community: Socialization and Support Wadsworth Publishing, 11th edition, 2023.
What is your opinion on children and media and why? 

Write a thesis statement for a persuasive speech that is about banning guns in the USA.

"What are some effective study strategies that students have found helpful for mastering complex subjects and improving long-term retention?"

Preble Company manufactures one product. Its variable manufacturing overhead is applied to production based on direct labor-hours and its standard cost card per unit is as follows:

The company also established the following cost formulas for its selling expenses:

The planning budget for March was based on producing and selling 28,000 units. However, during March the company actually produced and sold 33,000 units and incurred the following costs:

1. Purchased 165,000 pounds of raw materials at a cost of $7.20 per pound. All of this material was used in production.

2. Direct-laborers worked 58,000 hours at a rate of $13.00 per hour.

3. Total variable manufacturing overhead for the month was $729,060.

4. Total advertising, sales salaries and commissions, and shipping expenses were $240,000, $470,000, and $145,000, respectively.

10. What is the variable overhead efficiency variance for March? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance.). Input the amount as a positive value.)

The formula for the carbonate ion is CO32−CO32−. Predict the formula for carbonic acid.

HELP!!!!!

For this assignment, you will create a procedural document relevant to your interests, such as cooking,
playing a sport, or working on a hobby, and then model the procedure to a group of peers. You will
provide a purpose for your procedural text, create a list of resources, show the steps in the process, offer
helpful formatting, and possibly include an optional diagram. In addition to the procedural text, you will
document any questions you ask yourself about the process, with the goal of clarifying meaning for
readers in your text.

What is the importance of bryophyte economical and ecological