Answer:
The mean is 7.975.
Step-by-step explanation:
For this case we have that by definition, the equation of the line of the slope-intersection form is given by:

Where:
m: It is the slope of the line
b: It is the cut-off point with the y axis
According to the statement data we have:

Then, the equation is of the form:

We substitute the given point and find "b":

Finally, the equation is of the form:

Answer:

1. Lamar sold 3 boxes of cookies.
2. Anna sold 4 boxes of cookies.
3. They each sold $24 worth of cookies.
Answer:SAS
Explanation:In triangle ABC:
a would be the side opposite to angle A
c would be the side opposite to angle C
Combining the given, we would fine that we have the measures of two of the sides and the measure of the angle included between them.
This means that we have SAS information.
Check the attached image for visual illustration.
Hope this helps :)