Answer:
$60
Step-by-step explanation:
12/8 = x/40
40(12/8) = x
60 = x
Answer:
Part 1)

Part 2)

Step-by-step explanation:
Part 1)
So we have the two functions:

And we want to find:

This is the same as:

Substitute:

So, our answer for Part A is:

Part 2)
Let's find our difference.
Distribute the -1:

Combine like terms:

Add:

And we're done!
Answer:
4x + 7
Step-by-step explanation:
9x - 5x = 4x
-3 + 10 = 7
I am sorry but I cannot see the text on your screen if you could zoom in it would really help. : )