Question

Altitude above sea level is given in positive values and below sea level is given in

negative values. Which situation describes a hiker in Death Valley stopping at an
altitude of O feet? (If you are stuck, draw a number line).
a. The hiker starts at -10 feet then increases altitude by 10 feet.
b. The hiker starts at -10 feet then decreases altitude by 10 feet.
c. The hiker starts at 10 feet then increases altitude by 10 feet.
d. The hiker starts at 0 feet then decreases altitude by 10 feet.

Answer 1

C

Explanation:

because a they added the same number just positive and negative which will always give you 0

Answer 2

Its a because adding the same number with different sign always gives you 0