Answer:
1. 
2. 
Step-by-step explanation:
<u>Problem #1:</u>
1. Find the GCF (Greatest Common Factor)

2. Factor out the GCF and simplify.

3. Factor 
<u>Which two numbers add up to 7 and multiply to 10?</u>
2 and 5
<u>Rewrite the expression using the above.</u>

4. Done!

<u>Problem #2:</u>
1. Find the GCF (Greatest Common Factor)

2. Factor out the GCF and simplify.

3. Use the perfect square formula. 


4. Done!

If you havent learnt Sin, Cos yet, let me know, so we can try the other solutions.
Answer:60
Step-by-step explanation:I seen the answer on bill bye the math guy
X - <span>the cost of cell phone service before tax is added
</span>

<span>
</span>




Hope this helps!
Thank you for posting your question at here on Brainly.
-Charlie