Please help me I have been struggling with this and this is a big grade

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?