Answer:
80y-24z
Step-by-step explanation:
First quiz in social studies as in the second one it was only 90%
Answer:
16
Step-by-step explanation:

![= 4^2 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ [ \ given : x - y= 4 \ ]\\\\= 16](https://tex.z-dn.net/?f=%3D%204%5E2%20%20%5C%20%5C%20%5C%20%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5C%20%5B%20%5C%20given%20%3A%20x%20-%20y%3D%204%20%5C%20%5D%5C%5C%5C%5C%3D%2016)
2(3 exponent 2) + 4(3)(5) follow my equation and you should get your answer. all you have to do is replace the letters in the formula in the needed numbers. For instance s= 3 and h=5 , therefore you replace the s in the formula to a 3 and the h in the formula to a 5