Look up the words on google and it'll tell you what it means so that way u understand what the photos are showing and doing.
Answer:
3 1/2
Step-by-step explanation:
2x2x2 is 6 and 1/2 of 2 is 1 which means 6+1 is 7 so it's 3 and half
Answer:
5.00%
Step-by-step explanation:
You don't need explanation for this
Answer:
6
Step-by-step explanation:
I checked it and it’s right hope this helps!!
Answer: -127
Step-by-step explanation:
They are giving you the corresponding x value for which you should plug into the function. So plug 4 into g(x) and plug 4 into f(x). Then subtract them
g(x) = -3(4) + 4 = -8
Im assuming that is 
f(x) = 8(4)^2 - 9 = 119
Now do -8 - 119 to get -127