To add or subtract algebralc fractions, or numerical fractions, the fractions must have a common denominator. True
False

He concluded that a heavier object dropped from the same height as a lighter object will land

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.

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315