Plz !

carlos took a cab home from the airport. the total cost of the cab ride was $19.00.

write a formula that carlos determine how much he paid per mile.
p= price per mile
n=number of miles traveled

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

The odometer on a car shows 132.8 miles traveled. find the greatest possible error of the measurement. a. 0.5 b. 0.05 c. 0.005 d. 0.06