Determine the value of x in the diagram?

A.32
B.10
C.20
D.16

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.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Is the number 128.439 a rational number