With number 4. i'll give you full 50 points with step by step ! number !

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Luis has a cooler filled with cans of soda.for every 5 cans of coke there are 3 cans of sprite.if there are 25 cans of coke, how mant cans of sprite are there?