Help meee I need to get the interval correct in order to finish my unit. please be quick!!

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

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

Witch represents the inverse of the function f(x)=1/4x-12