If f(x) = 2x + 1, then f(3) = ?

Can you answer my question? will mark brainiest!

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.

Aline that intersects one of two parallel lines intersects the other also always sometimes never