Hi, can someone plz check my answers thanks!

1. A factory is fabricating seats for a minor league baseball stadium. The stadium holds 7,500 individuals and the factory can fabricate 300 seats per day. If 600 seats have already been made, how long will it take for the factory to finish 7,500 seats in total?
A.It will take 230 days for the factory to complete all 7,500 seats
B.It will take 270 days for the factory to complete all 7,500 seats
C.It will take 27 days for the factory to complete all 7,500 seats
D.It will take 23 days for the factory to complete all 7,500 seats******
2. In a food processing facility there is a large vat that must be filled halfway with water, which is 72 inches. The vat fills up with water at 0.2 inches per minute. If the water is already at 9 inches, how long will it take until the vat reaches halfway?
A.It will take 405 minutes to fill the vat halfway
B.It will take 16.2 minutes to fill the vat halfway
C.It will take 12.6 minutes to fill the vat halfway
D.It will take 315 minutes to fill the vat halfway******
3.(I was confused on this one) Some friends are going to be driving to a city 900 miles away from home. They are planning to stay the night in a city 420 miles away, then drive the rest of the distance the following day. If they plan to drive on average 60 miles per hour, how long will they be driving the second day?
A.They will be driving for 22 hours the second day
B.They will be driving for 8 hours the second day*****
C.They will be driving for 23 hours the second day
D.They will be driving for 6 hours the second day
4. If Nelly makes 8 dollars an hour and she starts by owing her mother 7 dollars, how many hours will she need to work to pay her back and still have 49 dollars in her account. Write the equation and solve for the variable, b.
A.b=7
B.b=21/4******
C.b=−1
D.b=49
5.(I was confused on this one too) If the minute hand of a clock rotates 6 degrees every minute. Determine how minutes does it take to rotate 2160 degrees.
A.t=360******
B.t=340
C.t = 2160
D.t=180
Thank you so much!