1. X^2+6x-7

2. X^2-2x-15

3. -3x^2+24x-1

With explanation please!!!

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. identify the domain for each of the given functions.

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.