To solve this problem you must apply the proccedure shown below:
1. You have the following expression given in the problem above:

2. The first thing you must do to factor the expression is to group the terms, as following:

3. Now, choose the greatest common factor of each group:

4. Now, you need to factor the expression by factoring out the 

The answer is: 
The answer is 68 dollars.
Answer:
Yes, there is a proportional relationship.
Step-by-step explanation:
I can't put a graph in here unfortunately.
Answer:
x+y+z=15
x+2y+5z=15
-x+y+z=1
Step-by-step explanation:
<u><em>Answer:</em></u>
<u><em>Your correct answer is x = 42
.</em></u>
<u><em>My Step-by-step explanation:</em></u>
<u><em>Just turn the problem around by changing the subtraction to addition: 100 – x = 58 means the same thing as 100 – 58 = x, so x = 42.</em></u>