What is the intermediate step in the form (x + a)2 = b as a result of completing the square for the following equation?
-x^2+14x+15=66 NEED ANSWER ASAP

Solve |2x - 5| = 4 if anyone could , that would be great

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?