Well, I saw my teacher solving the test herself, and then grading papers off of her paper that she solved. My teacher made the answer key for the tests.
Answer:
Step-by-step explanation:
12.66-n=7.64
12.66-7.64=n
5.02=n
The photo is blurry but the answer is 23
Sin = opposite / hypotenuse so SinS = QR/68. You have to use Pythagorean Theorem to find QR.
First, divide each amount by the downloads.
6.25/5 = 1.25 for each download
17.40/12 = 1.45 for each download
The online music store that offers 5 downloads for 6.25 is the better deal by 0.20 cents.
hope this helps
