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.

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13

4

step-by-step explanation:

im pretty sure it's 4 beacsue 8/2 equals 4

step-by-step explanation:

(3rd option) - c