How many ounces of pure gold and a 16 carry the old change and it weighs 2.5 ounces

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°