Look at the picture. Is there a proportional relationship between the lengths of each side of an
octagon and the perimeter of the octagon?
A. 1
B. 2
C. 3
D. 8
E. 16

If S is the side length and P is the perimeter, then what is the constant of proportionality (k) if P=Sk (hint: what is the unit rate showing how much the perimeter will be per 1 inch of side length?)
A. 20 inches
B. 40 inches
C. 80 inches
D. 160 inches
E. 360 inches

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

What is the slope of the line shown below?