Use the commutative property of multiplication to write a related multiplication sentence 3 x 4 = 12

Which formula gives the area of a triangle? a=1/2(b+h)

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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?