Chas buys peanuts in 2 lb bags. he repackages them into 5/6 pound of peanuts. how many 2 lb bags of peanuts should chas buy so that he can fill the 5/6 lb bags without having any peanuts left over?

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

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?