Answer:
8
Step-by-step explanation:
check this out!
-5(a+3)=- 55
-5a-15=- 55
-5a= -55+15
-5a= -40
-5a/-5 =-40/-5
a=8
We can find slope 
with this formula
Where 
and 
thus
The slope of line is -1/2.
Hope this helps.
The answer is letter b. best answer. Fill in the blank questions require exact
answers. It is requires the exact answer
but unlike essays need not require lengthy explanations. It is like a part that fits exactly to the
machine from which it is a part of.
Answer:
34
Step-by-step explanation:
from straight line
(x+12) + 100 + x = 180
2x + 112 = 180
2x = 180 – 112 = 68
x = 34
