How many positive integers less than 1,000,000 have exactly one digit equal to 9 and have a sum of digits equal to 13

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?

Write the expression as a single natural logarithm. 2 in a - 4 in y

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8