I travel 1/10 mile in 1/2 second. how many can i travel in one second

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?

Nine more than four times a number is the same as one less than twice the number. find the number?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.