What is the surface area of this square pyramid? Round your answer to the nearest tenth. 122.2 yd² 192.8 yd² 244.4 yd² 513.3 yd²

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Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

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

Find the arc length of the semicircle. 7the grade