What is the formula in terms of ad=f: a

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

What function has a range {yly< 5}? question on picture above^

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.