Direction: Read each question carefully. Write the letter of the best answer.

1. What is the additive inverse of+23?

A+23

B.-23

C. ↓23

D. ↓23

2. Simplify: 23 + (- 12)

A. - 11

B.11

C.35

D.-35

3. Simplify: -9-20

A.-23

B.-11

C.11

D.28

[tex]pakisagot \: po \: plss[/tex]
​