Answer:

Step-by-step explanation:
So we have the two functions:

And we want to find:

This is the same thing as:

So, substitute h(x) into g(x):

Distribute the negative:

And we're done!
So:

Covert to a common denominator to help:
A LCD is 24.
12/24, 20/24, and 15/24
So 12/24, 15/24, 20/24
Convert back into their original denominators:
1/2, 5/8, 5/6.
F.
Answer:
15.98 dollars
Step-by-step explanation:
its really easy
we need to subtract the total amount that she has spent from the total amount that she had in her purse
the total amount in Megan's purse=$45.12
total amount that Megan spent=$7.89+$21.25 =$29.14
now,
the exact amount that Megan has left = $45.12-$29.14=$15.98