A store increases the price of a sweater from $20 to $22. What is the percent of increase?

1. 0.1
2. 0.1
3. 2
4. 9
5. 10
6. 20

Me with this one question, and i'll upvote the brainliest answer

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?

Which expression is equivalent to 3^3 + 2^2?