You are right about the domain.
Answer:
5x=15
Step-by-step explanation:
Product means multiplication, and 5x=15 is the only one doing multiplication
Of the 5 routes Tanya can choose from, 2 routes will take 30 minutes. This means that the probability is:
2/5 = 0.4
The answer is 40%.
5y + 4 = 6x-8 would be it