What must be true of two rational expressions before they can be added? they must have common numerators. they must be of the same degree. they must have the same variables. the must have common denominators.

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

Which expression is equivalent to 5r6141 2r+st6

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?