Answer:
-
Step-by-step explanation:
To get the slope you have to find the difference in Y and put it over the difference in X. (x2-x1)/(y2-y1). You plug in the points and you get -1/2
Answer:
a and c
Step-by-step explanation:
Answer:
y=-3/2x+5
Step-by-step explanation:
you look for your y-intercept first then you find 2 points and do rise over run to get y=-3/2x+5
r+2
Explanation:
because if we add 2 to r which is equal to 4 we can get 6
Answer:
Variance = 4.68
Step-by-step explanation:
The formula for the variance is:

Where:

The mean can be calculated as each value multiplied by its probability


Replacing the mean and the summatory of X:
