What is twelve more than the quotient of a number and eight

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

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?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?