Answer:
The answer is 120 degrees.
Step-by-step explanation:
if you're simplifying, it should be = -1b - 6
1. 4(1-2b) + 7b -10 solve the parenthesis
2. 4 <u>- 8b</u> <u>+ </u><u>7b</u> - 10 combine like(same) terms
3. <u>4</u> - 1b <u>- 10</u> same as 2.
4. -1b - 6
84 and 5
3x28=84
140 divided by 28=5