If f(x) = (x^2-1)/(2x+3) then f(-4) = a. -3
b. -(17/11)
c. -(17/5)
d. 15/11
e. 5/2

There are 4 cups in a quart and 4 quarts in a ganon.jug of water? . how many cups are in a 5-gallon jug of water?

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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