Answer:
9) <4=89
10) x=35
Step-by-step explanation:
9) 52+39=91
180-91=89
10) 2x+x+13+62=180
3x+75=180
-75 -75
3x=105
105/3=35
The graphs are curved, not segments ending in a point.
http://www.wolframalpha.com/input/?i=plot+y+%3D+sin+x+for+-3.2+%3C+x+%3C+3.2+and+-1.1+%3C+y+%3C+1.2
The answer is c2 have a good day !!!! Bc you add all the numbers up and you will get it