Answer:

Step-by-step explanation:
Using the distance formula:

Hope this helps!
18sqrt(x)
I'm assuming that 3(sqrt(x))5 is equal to 15sqrt(x). If that is the case, just perform the multiplication within each term and treat the sqrt(x) as a variable when you add the all together. It is okay because they are like terms.
C: Bc 3 * c = 3c (plus 7 more) = 7+3c
You would have enough gas to go another 25 miles
Answer:
-3+(-5)
Checking our answer:
Adding this does indeed give -8