Step-by-step explanation:
1st expression = 3a - 6 = 3 ( a - 2 )
2nd expression = a² - 4 = a² - 2² = ( a + 2) (a - 2)
The HCF is (a -2).
Hope it helps :)❤
Assuming the equal sign is supposed to be +
-88 - (18)^2
-88 - 324
-412
Answer:

Step-by-step explanation:
Exponential function
is
increasing if 
decreasing if 

I am able to help you but not give you the answer.
Step By Step Explanation- Find the Area to the Triangle, After you find the answer to that, Find the area to the square then subtract the Square by the triangle and you get your answer!
I think the answer is y=(3x+1)/8.