An alloy of silver and gold is to be recast with an addition of silver. this new alloy consists of 80 ounces and is to have only one-fifth of an ounce of gold in 5 ounces. what percentage of gold is in the new alloy after the recasting? a.) 100 b.) 12.5 c.) 4

Explain how you divide powers with like bases. discuss why the bases have to be the same. how are these rules similar to the rules for multiplying powers with like bases.

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?