A triangle has an area of 15. One of its sides has length 10. What is the length of the altitude to that side?

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?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum