Asked by Mayako

1. -1 - 3 =

A. -5
B. 2
C. -4***
D. 4

2. -7 + 5

A. -2***
B. 12
C. -12
D. 2

3. 1.2 - 4.6 =

A. 5.8
B. -3.4***
C. -5.8
D. 3.4

4. A mountain climber ascends a mountain to its peak.

A. 12,540 feet above sea level***
B. 12,540 feet below sea level
C. 10,740 feet above sea level
D. 12,940 feet above sea level
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