Two correct variable expressions to represent the phrase “one fourth of a number”

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?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Which of the following is the sum of 3 1/6 + 6 3/8?