Yoku is putting on sunscreen. He uses 2 ml to cover 50 cm2 of his skin. He wants to know how many milliliters of sunscreen (c) he needs to cover 325 cm2 of his skin.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11