Find the value of this expression if x = 5.
x² +2
x + 4

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.