Step-by-step explanation:

Hope it will help :)
Answer:
Positive
Step-by-step explanation:
As height is increasing, shoe size is also increasing (positive slope)
Negative correlation is when one variable increases and the other decreases (negative slope)
Answer:
8-4=2
2 x 4=8
4 x 2=8
8-2=4
Step-by-step explanation:
Answer:
4 groups of ten
Step-by-step explanation:
175-135=40