What are the possible rational zeros of f(x) = x4 + 2x3 − 3x2 − 4x − 12?
a. ± 1, ± 2, ± 3, ± 4, ± 5, ± 6, ± 7, ± 8, ± 9, ± 10, ± 11, ± 12
b. 1, 2, 3, 4, 6, 12
c. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
d. ± 1, ± 2, ± 3, ± 4, ± 6, ± 12

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Solve for x and select the correct answer

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?