The answers are :
13) 9
14) 200
15) -10
16) -300
17) -276
18) -66
<span>This would be your answer 43 + 3n ≥ 70, so n ≥ 9
I hape this help</span>
Answer:
Step-by-step explanation:
Triangles equal to 180 degrees.
Since you’re given the degrees of the 2 angles of the triangle, heres what youll do:
Add the two given degrees
70+55
Minus that from 180 to get x.
Hope that helps.