Need helpp fastt plss will give brainliest to who is correct plss helpp

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

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 is always true about a positive integer raised to a negative odd power?