The rectangle below has a total perimeter of 125 cm:

write an equation and solve it to find the length of the longer side of the rectangle.
2x + 10 = 125; x = 57.5 cm
x + 5 = 125; x = 120 cm
5x = 125; x = 25 cm
25x = 125; x = 5 cm

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.