Answer:
A. less than three batteries were used in five hours.
Answer:
Step-by-step explanation:
i am unsure of what you actually need, but i want to help you.
if you were to set the boundaries of the feasibility region it would be as follows:
as points
A(1, 17/3) B(7, 11/3) C(7, infinity) D(1, infinity)
as graphs
y=-1/3x+6 where 1≤x≤7
x=1
x=7

Refer to the attachment for step by step explaination.
Think these are the answers to the first few hope it helps
Answer:
option B

Step-by-step explanation:
we know that
The<u> correlation coefficient</u> r measures the direction and strength of a linear relationship.The value of r is always between
and 
Using a Excel tool (Correl function)
see the attached table
The value of r is 