Is 81x squared minus 1 a perfect square

2 times X plus 3 equals 9 What is X

Binh is choosing from 6 youtube videos and and nine online role-playing games to link to his Myspace Page. If he randomly picks seven links total, find the probability that Binh chooses three YouTube videos and four online

A farmer is selling bushels of corn. When a bushel has inedible stalks, the supermarket gets a discount on the entire bushel. The farmer profits $8 per bushel with all edible stalks and loses $4 for every bushel with inedible stalks.

At Wonderful Water park, the water trough ride cost $2.75 per ride. If you have $15. then how many times could you ride?

Rewrite 6/4 as a percent

Simply: x^3 y^3 / x^3 y^2 (the arrows mean to the power of the number)

A costumer is buying 3dvds that cost $6.55 each, with an additional 8% sales tax. What is the total amount that the costumer pays, rounded up to the nearest cent

One of Edna's grandchildren, Toby, plans to spend 4 years in college. The university awards him a scholarship to cover his tuition, but he will need an additional $8,000 for other expenses over the four years.

Yvonne bought 10 yards of fabric to make bandanas for her basketball team each bandana requires 1/3 yard of fabric how many bandanas can she make?

What's the sum of - 4 and 14