4 Movie Rentals
20
16
Cost (5)
0
2 4 6 8 10
Number of movies
132
Proportional (yes or no)?
Constant of proportionality:
Equation (write "no" if no):

Is this proportional

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=9, and ac=12, find hc.

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?