Can anyone help me with this question?

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28