If x and y vary directly and y = 31.2 when x = 5.2, the constant of variation for their relationship is k = 6

What is the value of y when x = 6?

Plug in the value of k into the equation y = kx

 

REMEMBER: You can use your calculator to complete any calculation.

 

A y = 6

B y = 1

C y = 36

Help me

2.  64 : 8 and ___ : 1 

The total cost in dollars to buy uniforms for the players on a volleyball team can be found using the function c = 34.95u + 6.25, where u is the number of uniforms bought. If there are at least 8 players but not more than 12 players on the volleyball team, what is the domain of the function for this situation?

○ A. 0 < U < 12

○ B. 0 < C < 426.65

○ C. {8, 9, 10, 11, 12}

○ D. {285.85, 320.80, 355.75, 390.70, 425.65}