Jazzi rode her bike at a constant rate for 9 hours. The table below shows how many hours she biked and how many calories she burned Jazzi's Bike Ride Hours Calories Burned 2 460 5 1,150 6 1,380 8 1,840 9 2,070 How many calories did Jazz, burn per hour? A. 230 B.690 C.1150 D.1380