Answer:
It is an example of an observational study.
Step-by-step explanation:
slope = difference in y / difference in x
slope = 12 -11 / 2 -6
slope = 1 / -4
slope = -1 / 4 or
-.25
Answer: D. 
Step-by-step explanation:
1. You have the following expression given in the problem above:
÷5
2. By definition, two expression are equivalent when they are the same even though they they are written in a different form.
3. Keeping this on mind, you can rewrite the division of those two numbers as a fraction, as you can see below:

3. Then,
is the equivalent expression to 4h ÷ 5.
Answer:
Times 10 magnify
Step-by-step explanation: