Answer:
The answer is "Option 5"
Step-by-step explanation:
Please find the complete question in the attached file.
Throughout the above output the regression equation is:
Delivery cost 
Answer:
all work is pictured and shown
Step-by-step explanation:
First you must simplify the equation:

subtract 1 from both sides:

than divide both sides by -3, which switches the inequality sign:

This inequality means that all values of x greater than -2 work for the equation. because it is not
, -2 is not included, so there will be a hollow circle there. than the inequality will have a line from that dot to the right so that all values of x that work for the inequality are on that line.
Answer:
Least is 7
Most is 12
Step-by-step explanation:
So 2 shirts for 12.
So 24
Take 24 off of both
Left with 21 to 36
21÷3 is 7
36÷3 is 12
Hope this helps