In the diagram below, BC = QR= , AC = PR = y, and triangle PQR is a right triangle. Use the drop-down menus to complete the proof that if the equation
22 + y2 = 22 is true of the side lengths in triangle ABC, then triangle ABC must be a right
triangle.

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

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?

Find the percent error of the measurement 4 cm