Mathematics, 08.09.2021 06:30 bheam12

Melissa and Brian are at the base of a mountain. Melissa hikes to a location 27 meters above sea level. Brian hikes to a
location 21 meters below sea level.
a. Write an integer to represent each hiker's location with respect
to sea level.
b. What is the difference of the hikers' altitudes?
c. Can the integers be subtracted in either order to find the difference? Explain.

Melissa and Brian are at the base of a mountain. Melissa hikes to

a location 27 meters above sea

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