Answer:
They create supplementary angle pairs.
Step-by-step explanation:
Supplementary angles add up to 180°.
12a + 8b....common factor is 4
4(3a + 2b) <==
The answer to the first one is A, the second one is 3.58333
Step-by-step explanation:
you collect like terms from both sides that is, the variables on one side and the constants on the other side
Answer:
43
Step-by-step explanation:
Plug x in.
8(4)+11=32+11=43
Hope I helped!
