Write the ratio 3: 101 as a fraction, decimal, and percent

What does x = in this equation x+3+2x=x+5

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

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x