How many feet of boards should i buy if i need 24 boards that are 47 1/2 inches long

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

What is the value of x in the following equation. -x ^3/2 = -27