A proportional relationship is shown below. Number of pizzas (n) Cost, in dollars (C)
3
24
5
40
7
56
Select the equation that represents the relationship between C and n.
A. n = 8c
BC = 1/8n
C C = 8n
D. C = n + 16

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Which are the possible side lengths of a triangle?