The answer is 10 because when you subtract negatives, you're basically adding them. It's like inverse operation in a way. Think of the 9 as +9. That would mean that -1 would also have to be --1. It's not possible to have a double negative integer, and therefore you need to add.
Answer:
The fish could be a seafish.
Step-by-step explanation:
Seafishes are fishes that live in the sea most of the time.
Answer:
160,170 and 240,250
Step-by-step explanation:
sorry if wrong
Answer none of the above
Reason - they are adjacent angles
Not vertical
Not complementary
Not supplementary
Answer:
A positive correlation is a relationship between two variables in which both variables move in the same direction. Therefore, when one variable increases as the other variable increases, or one variable decreases while the other decreases.