The amount of money spent at the gas station varies directly with the number of gallons
purchased. When 12.5 gallons of gas were
purchased, the cost was $34.25. Whats the
equation that represents this situation?

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

What makes a trapezoid an isosceles trapezoid?