I think it might be b. I'm super sorry if I'm wrong I tried my best :(
1. <span>Simplify -9 + -2m to -9 - 2m
-3m = -9 - 2m
2. </span><span>Add </span>2m <span>to both sides
-3m + 2m = -9
3. </span><span>Simplify -3m + 2m to -m
-m = -9
4. </span><span>Multiply both sides by </span><span><span>−<span>1
m = 9
Done! :) our answer is m = 9</span></span></span>
Answer:
2, 4, 5
Step-by-step explanation:
Answer:
31*
Step-by-step explanation:
right triangle means 90* so 90*-59* = 31*