Answer:
15
Step-by-step explanation:
A relatively large correlation coefficient, such as the 0.87 given here, indicates a direct proportion relationship between two variables. Here, as baby gains weight, smart phone pricing increases. Note that this is NOT a causal relationship.
True because log times A and B will also be logA and Log B
The key idea of the transformation called a rotation is the moving of the plane a certain angle around a fixed point.