Somebody pls help me with these, I really can't remember how to do these. I'll mark you brainest too just pls send me the work. ALSO DON'T ANSWER IF YOURE JUST GONNA ASK A QUESTION OR POST A LINK PUT SCREENSHOTS OR PICTURES, thank you:)

Ok, so I am not going to tell you the answers but I will help you answer them. So a triangle equals 180, so add the numbers that you have, like the first one, add 8 + 10 + x = 180 8 + 10 = 18

18 + x = 180

-18        -18

x = 162

Step-by-step explanation:

Your answers will be down below;  

1. 6

2. 7

3. 9.6

4. 13.2

5. 1.5

6. 2.1

7. 11

8. 3

9. 12

10. 6

11. 6

12. 9

Step-by-step explanation:  

I had this assignment before and I will NOT add a step-by-step explanation because I'm currently lazy at this time -.-  

But I am 100% sure that these are the answer, like I said I HAD this assignment before. Therefore the answers above are your answers to your assignment. =.=  

Mark me brainliest if you can, if not then it's alright. Have a good day! :)

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.