Answer:35
Step-by-step explanation:
Answer:
The answer to this question is that the average rainfall varies by 0.07 each year.
Step-by-step explanation:
Answer:

Step-by-step explanation:
In order to find r we have to square both sides of the equation

The *square root* sign cancels out the *squared* sign therefore:

Answer:
21
Step-by-step explanation:
To find the mean, add up all the numbers
15+15+25+29 =84
Divide by the number of numbers
84/4 = 21
When each x value has only one y value, the relation is a function