Answer:
Step-by-step explanation:
I've already answered this question.
-4 + -7= -11
When adding negative numbers if the are both negative then you add them. When you have a negative and a positive you subtract. In this problem they just took out the plus sign.
Answer:
48.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
Correct me is I'm wrong but I believe its a independent variable.
