Answer:
x+3
Step-by-step explanation:
If you factor 5 out of the denominator of the first expression, 5x+15 turns into 5(x+3).
Then, since you have x+3 in the numerator and denominator, it will cancel out.
The steps are shown below:

Ive attached an image that shows an example of simplifying an expression using a the same technique.
Answer:
80,023,904
Step-by-step explanation:
Just add all the numbers together.
Answer:
B
Step-by-step explanation:
Soemthing is a function if it can pass the vertical line test
the vertical line test is when you draw a vertical line and it only touches the graph once
Another way of thinking about this is no function can have two of the same values on the x axis
I'm not too sure what's happening with the third response but the answer is B
Answer:
ha fae13 kape kaoe lap qe us23 dif
Step-by-step explanation:
The answer is 8
you would multiply 10,560 by 4,because there's 4 half hours in 2 hours, and then you get 42,240 and divide that number by 5,280 and you end up with 8.