Answer: 
Step-by-step explanation:
You know that the given function is:

You know that you must evaluate this function for
.
Then, to evaluate the function for
, you need to substitute this value into the given function and simplify it.
Therefore, you get:

So, the answer is: 
4 and a half to fill
30 in total minus the ones already used 30 - 18 = 12
A forth of the pages she wants to save which is about 7.5 of the total
12 - 7.5
Means she only has 4.5 pages left to use before she starts using her extra vacation pages
Answer:
Step-by-step explanation:
11a- 37/5b
Answer:
nk to the answer:
ly/3fcEdSx
bit.
Step-by-step explanation:
Answer: B, Each of the sums is 180 degrees.
Step-by-step explanation:
Since a 180 degree angle is always a flat line, and that is the case for this,
Each of the sums is 180 degrees.