Given the matrix: a= 2 5
4 -8
The sum of the elements in row 1 is:

The sum of the elements in column 2 is:

The answer is as follows

1) 7

2) 3

3) 4

8121 because

130,000 divided by 16 is 8121

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above