Answer:
D.
Step-by-step explanation:

Answer: A. a = -12 B. b = 4 C. c = -1
Step-by-step explanation:
a negative times a negative is a positive
a negative time a positive is negative
Answer:
10980 is the correct answer
You times 7×10-(10+2) And making it C 58
Hope that helped
Answer:
20 and 23, I think
Step-by-step explanation: