When full, the gas tank of a car holds 15 gallons. it now contains 12 gallons what percent represents how full the tank is ?

Sum of the interior angles of a pentagon

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?

Which equation represents h for right triangle abc