A woman invests $8000 in an account that earns 4.5% simple interest. If the money is invested for 5 years, how much money is in the account at the end of the 5 year period?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

∆red ≅ ∆ by rule will give brainiest if possible

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?