Explain why a two-dimensional net is useful for finding the surface area of a three-dimensional figure. answer as soon as possible plz

What is the distance between (–2 1/2,-3) and (1, –3)?

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

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?