While in flight, a hot air balloon decreases its elevation by 83 meters and then increases its elevation by 83.7 meters,
Enter an inequality in the ber to compare the changes in elevation of the hot air balloon while in flight. this is math that i dont get pls help

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.

What quantity do units represent in value

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped