In order to simplify this expression, we need to multiply the numeric values together and the variables together.
So we have:

Therefore the correct option is the third one.
Answer: 
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
1. You have the following equation given in the problem above:

2. Then, you need to solve for
, as you can see in the following steps:

3. Therefore, as you can see, the value of
is:

Answer:
d
Step-by-step explanation:
87% because most teens will have a source to alcohol.
Answer:
x = 145 degree
Step-by-step explanation:
Alternate angle 35deg is shown alone with x on the 180 degree line opposite the other 180 degree line.
180-35 = 145degree