When i take half of my number and add two, i get twenty four. what is my number

Which math sentence can be used to determine if the triangle is a right triangle?

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

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.