17. My friend can dive 50 feet below sea level. What integer represents this situation?
a 50
b. 50
c. 500
d. 15
18. What is the product of -4 and 3?
a 12
b. -12
c. 21
19. What is the sum of -522 and 5207
d.-21
a. 2
b. 2
c. 1042
d.-1042
20. What is the sum of -10 and -207
a 30
b. -30
c.33
d. 34
21. When 9 is added to -8, the answer is
a. 1
b. -1
c. 17
d.-17
22. What is 37 subtracted from -957
a 132
b.-132
c. 135
d.-13​