What is the area of triangle PQR? Triangle P Q R has a base of 86 inches and a height of 52 inches. 1,118 square inches 2,236 square inches 2,322 square inches 3,870 square inches

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers