Need answers to B and D correct to 2 decimal places​

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers