Tammi deposited $520 into a bank account that earned simple interest each year. after 5 years, she had earned $156 in interest.

if no money was deposited into or withdrawn from the account, what was the annual interest rate?
need in less than 10 mins

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

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.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)