Nathan wanted a bike for Christmas. His mom paid $88.00 after she used a 15% off coupon at Academy. What was the original price of the bike before the discount?

What is the value of x in the diagram below?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.