How many ways can you choose two blue? A red then blue? A blue then red? Two red?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

John bought 2 horses at rs 20000 each

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?