Hi.
-19 + 12 is the same as saying 12 - 19
So, -19 + 12 = -7
You're welcome.
Answer:
5(2)^8t=15 = t = (3/256) or 0.01171875
Step-by-step explanation:
The triangle angle-sum theorem says that all those angles added together equal 180. Therefore, 120+x+x+16=180 and 2x+136=180 and 2x=44. Therefore, x = 22, which is angle B.
I did 132÷8 = 16.5 is that what you asking