Which verbal expression is represented by the algebraic expression 5a-7? a.) five less than the sum of a number and seven.
b.) the sum of seven and the product five and a number.
c.) seven less than the product of five and a number.
d.) five times seven subtracted from a number.

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 one ? is the answer and how to find this answer

Find the area of the regular hexagon if a side is 20 cm.