think of a sphere of radius r as being made up of a large number k of congruent small square based pyramids. Let the area of each square base be B. What is the volume of one pyramid in terms of r k and b?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

What is the domain of the of the exponential function shown below?

The product of 3 and a number increased by 8 is 31