Five notebooks and seven pens cost 13.50, what is the cost of a notebook ?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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.

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be