Please help needs to be in y=Mx+b

The graph of g(x) is a translation of y = which equation represents g(x)?

What is the reflection image of (5,-3) across the line y = -x?

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?