(01.01 LC)Which two charges have a sum of 0? +7 charge and +7 charge −7 charge and −7 charge +7 charge and −7 charge +7 charge and 0 charge

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?