I’m not sure how your class works, but usually if they are circled it means you only have to do the circled ones. GCF always stands for greatest common factor
2x + y = 8
x - y = 10
--------------add
3x = 18
x = 6
x - y = 10
6 - y = 10
-y = 10 - 6
-y = 4
y = -4
solution is : (6,-4)
Answer:

Step-by-step explanation:

](https://tex.z-dn.net/?f=%5Bx%28x%E2%88%922%29%2B6%28x%E2%88%922%29%5D%28x%E2%88%923%29)



<h3>Hope it is helpful....</h3>
Answer:
33 laps
Step-by-step explanation:
we know that
There are 6.6 laps in a mile
so
using proportion
Find how many laps will you have to make to run 5 miles
so
Let
x ----> the number of laps

Try rctanguular prism i think it is that