The weight of a synthetic ball varies directly with the cube of its radius. a ball with a radius of 2 inches weighs 5.205.20 pounds. find the weight of a ball of the same material with a 3-inch radius.

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

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?