Part a: write an algebraic expression for 4 more than 3 times a number. (5 points) part b: write a verbal expression for 2(n + 9).

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Which statement justifies why angle ebc measures 90?

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.