In a certain country, the heights and depths of a road are measured in relation to sea level. sea level has a value of 0. the lowest point of the country lies at −8 feet. the highest point of the country lies at +107 feet. which of the following statements best describes the lowest and the highest points? (1 point)

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

so, converting firstly the mixed fractions to improper fractions and then "adding".