X^2 + 6x + 5 = 0 by completing the square. What are the solutions?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top