Given:
The table of values.
To find:
The least-squares regression line for the data set in the table by using the desmos graphing calculator.
Solution:
The general form of least-squares regression line is:
...(i)
Where, m is the slope and b is the y-intercept.
By using the desmos graphing calculator, we get

Substitute these values in (i).


Therefore, the correct option is A.
Answer:
x>-2
Step-by-step explanation:
because it is divided by -4.
Answer:
No
Step-by-step explanation:
Answer: 8:15
Step-by-step explanation:
If she leaves at 7:50 and arrives to work 25 minutes later, then she will get there at 8:15.
Something easy you could use:
7:50 25
+ 10 -10
____ ___
8:00 15
+ 15 -15
____ ____
8:15 0