Stan invests $5000, some at 6% interest and the rest at 4.5% interest. if x is the amount he invests at 6%, then the amount invested at 4.5% can be expressed as

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?