If five bags of mulch covers 32 square feet, how many square feet could 16 bags cover?

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.