Denzel wants to prove that the interior angles of any triangle sum to 180°. He draws a line through one vertex parallel to the opposite side, and then he labels
all the angles formed.
Drag a statement to match each reason in Denzel's two-column proof in the table
below.

Find the area of a parallelogram with base 15 yards and height 21 2/3

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Solve the equation by completing the square. x^2+2x=17