Which of the following shapes are used to compose this figure?

triangle
trapezoid
circle
parallelogram

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9