Answer:
B. x = 20
Step-by-step explanation:
angles on a straight line are supplementary
therefore, 6x+9 + 2x+11 = 180
so, 8x+20=180
8x = 160
x = 20
Answer:

Step-by-step explanation:
Given

Required
Factor

Factor out 

<em>The expression cannot be further factored</em>
Answer:
-80x + 24 (A)
Step-by-step explanation:
To solve this, we need to break the brackets. This is done by multiplying -8 to 10x and -3 to give us our final answer of -80x + 24.
So, the answer is A.
Loss implies a negative change, so the integer will be -15.