Ineed the answer to 2/3 - 1/10. what is it?

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

2.5 milligrams is equivalent to how many grams

How do i put 3(x+7) in distributive property