Compute the standard deviation for the set of data. 13.3, 14.3, 15.3, 16.3, 17.3 a. square 2 b. 2 c. square 10 d. 4

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

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.