Duncan takes a break from studying and goes to the gym to swim laps. if swimming burns 9.05×105 cal per hour, how many kilojoules does swimming burn in that same amount of time?

Explain how you can use the associative property to evaluate (7x50)x4.

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.