Store mixes kentucky bluegrass with $10 per pound and chewing fescue worth $14 per pound. the mixture is to sell for $13 per pound. find how much of each should be used to make a 468 pound mixture.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

In the diagram of circle o, what is the measure of zabc?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1