Answer:
I believe n equals 13.
Step-by-step explanation:
Answer:
1/3 of an hour
Step-by-step explanation:
Because we already have the same common denominator, subtract the numerators to solve:

Isa has 1/3 of an hour left to play video games (20 minutes).
Answer:
3x^4-13x^3-x^2-11x+6
Step-by-step explanation:
Checked this on a website for you btw!
Answer:
$200
Step-by-step explanation:
63 mph is 13 mph more than 50 mph, so the fine will be that for 13 mph over the speed limit. The fine corresponding to 13 mph over the limit is $200.