The expression a[(b-c)+d is equivalent to: a. ab + ac + ad b. ab - ac + d c. ab - ac + d d. ab - c + d e. a - c + d

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?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?