I believe x and y in the equation show a direct variation
Direct variation is the relationship between variables such that increase in one variable causes an increase in the other variable and vicevarsa.
In this case, y is directly proportional to x where 5 is a constant
It will take Mallory 40 minutes to get to the airport by train.
Step-by-step explanation:
Given,
Time taken by car = 120 minutes
Time taken by train = t
According to given statement;
Time taken by car = 3 times time taken by train

Dividing both sides by 3

It will take Mallory 40 minutes to get to the airport by train.
Keywords: division, multiplication
Learn more about division at:
#LearnwithBrainly
Answer: A. 
Step-by-step explanation:
The answer is A,
because a binomial has two terms
In other words if there is a single sign like '+'
Answer:
work and answer are shown in the picture
Step-by-step explanation:
if you have any questions about my work please let me know