What is the sum of the polynomials? (8x2-9y2-4x)+(x2-3y2–7x)
7x2 - 6y2 + 3x
9x2 - 6y2+3x
9x2 - 12y2 + 3x
9x2 - 12/2 - 11x
​

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

The longer leg of a 30-60-90 trangle is 18