Hey can someone do this for me plz ASAP
1. 5(-2)
2. 6(-4)
3. 4(21)
4. -11(-5)
5. -6(5)
6. –50(0)
7. –5(-5)
8. -4(8)
9. (-6)
10. (-2)
11. (-4)
12. (-5)
Evaluate each expression if a=-5, b=2,c=-3, and d=4.
13, -2d
14. 6a
15. 3ab
16.-120
17. -462
18. ?
19. -5cd
20. 13ab
21. 3c
ASAP