Cards in a pack are black or red in the ratio black: red = 2:5
What fraction of the cards are red?
Ovo

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.