Atram moved upward 9 meters per second for 63 seconds. what was the total change in the trams elevation

If 1 km = 0.621 miles, how many miles are in a centimeter

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x