Math 6: Integer Addition

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1.
1 point
45 + 18 =
2.
1 point
-14 + 30 =
3.
1 point
-34 + -18 =
4.
1 point
-50 + 20 =
5.
1 point
-6 + - 8 =
6.
1 point
7 + -11 =
7.
1 point
-3 + 10 =
8.
1 point
-17 + 20 + -3 =
9.
1 point
15 + 9 + -9 =
10.
1 point
21 + -14 + -8 =
11.
1 point
Lena was scuba diving 14 meters below the surface of the water. She saw an angel fish 3 meters above her.

Which equation best represents this situation?
12.
1 point
Lena was scuba diving 14 meters below the surface of the water. She saw an angel fish 3 meters above her.

Where is the angel fish located?
13.
1 point
A quarterback is sacked for a loss of 5 yards. On the next play, his team receives a penalty and loses 15 more yards. Then the team gains 12 yards on the third play. What is the total result of these three plays? Record your answer as an integer.
14.
1 point
Jordan, Beth, and Sami are solving this problem: -12 + 8 = ?

Who has the correct solution?