Answer: 170
Step-by-step explanation:
First, we need to do multiplication.
-50 x -2 = 100 because 2 negatives make a positive.
70 + 100 = 170.
If
then it's also true that
so that
For any integer , is even. We have if either or . This means must satisfy either or , in which case we have a general solution of
or
where is any integer.
Answer:
c
Step-by-step explanation: