Answer: Did you mean to rewrite that
Step-by-step explanation:
One Solution: Simplify to get 5x+4=5x+4
Answer:

Step-by-step explanation:
Ok first multiply the first two monomials:

Then multiply THAT with the OTHER monomial:

This should be the answer. Let me know if it's wrong.
Answer:
the answer is D
Step-by-step explanation:
You have to run MORE than and not just 50 miles, because of this it wont be B, it wont be A because you have run it already.
The answer is: 
The explanation is shown below:
1- You have the following expression given in the exercise:

2- When you multiply signs, you obtain:

3. Now, you must add like terms, as following:

4. Therefore, you have that the expression simplified is:
