Because if there is no more supplies for the sale, the sale can't apply to nothing!
He needed to divide instead of subtracting it on the last step.
Answer:
O E. 225 in²
Step-by-step explanation:
Answer:
B
Step-by-step explanation: Plates at our planet's surface move because of the intense heat in the Earth's core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down. As the cooled material sinks down, it is warmed and rises again.