HELP!!

Which table represents a direct variation function?

a. Input x 1 2 3

Output y 3 5 7

b. Input x 6 9 12

Output y 8 12 16

c. Input x 4 6 8

Output y 7 9 11

d. Input x 3 4 5

Output y 9 16 25

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Write a similarity statement for the similar triangles. afgh ~ a

Liang bought a basket of apples to make pies for her friends. the basket of apples weighed p pounds. before she had time to make the pies, she ate 3 pounds of apples. there are 17 pounds of apples left to make pies.