Answer:
(
Step-by-step explanation:
(-7°C)-(-4°C)
-7°C + 4°C
-3°C
-- these are called same side exterior angles, which means they are supplementary.
x + 9 + 2x + 6 = 180
3x + 15 = 180
3x = 165
x = 55
so, option B.
9
5 - 3(-2) + 1-3
5 + 6 - 2
11 - 2
its c
asd
52