Answer:
Literally take your f(x) and - your g(x)
(x^2+9x+18) - (x + 6)
Remember to distribute the negative sign.
If you mean missing angle, it would be 129.
4 times 2 is 8 and 8-4 is 4 so 4 X10 is 40 plus 8 is 48
ANSWER
x^6 + 25x^5 + 250x^4 + 1250x^3 + 3125x^3 + 3125x
Step-by-step explanation:
Mean (the average):

is the mean
Median (the middle number when the numbers are ordered):
87
Mode (most repeated number(s)):
74 and 87
Range (difference between the highest and the lowest values):
115-67=48