Answer:
-7
Step-by-step explanation:
-12 +5
Since the signs are different
Take the larger number and subtract the smaller number
12-5 =7
Take the sign of the larger
-7
Answer:
-6z
Step-by-step explanation:
(3z)2=6z
Add the negative
-6z
Answer:
the answer is B
Step-by-step explanation:
I think it is D:{5,-infinity}