Hey there!
The answer to your question is 
Given:

First, we can start by adding like terms. The following are like terms:



Now, we can add these pairs together, giving us:



Now, add all this together, and we get our answer as:

Have a terrificly amazing day!
-$45 - 34 = -79 explain when you subtract a negative to a positive you come out with a negative
Answer:
5:1
Step-by-step explanation:
Originally the ratio is 20:4
but then it is simplified to 10:2
then 5:1
Answer: C
Step-by-step explanation:
Ed is traveling at 63 miles per hour so it will have a variable. He already drove 242 miles, and is planning to drive 668 miles. Because the goal is 668, this whole equation equals 668.