Yvaries directly as x. if y=-5 when x =15find x when y=3

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

Write the function for the graph. (1.8) (0,4)

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when equals y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15