Which equations are true?
A: -x = -x + x + 0
B: -x = 0 + (-x)
C: None Of The Above

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

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?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2