If (x + 1)(x - 3) = 12, then which of the following statements is true?

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Acircle has a circumference of 28.36 units what is the diameter of the circle

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