Answer:
The value of y is 89.55 at x=15 and 60.69 at x=9.
Step-by-step explanation:
The equation of best fit line is

where, y is scores of two students after x working hours.
We need to find the score after 15 and 9 hours.
Substitute x=15 in the given equation.


Substitute x=9 in the given equation.


Therefore, the value of y is 89.55 at x=15 and 60.69 at x=9.
The answer is 652.50
450+45%
Answer:
$ 5,500
Step-by-step explanation:
Simple, 1 kg = 1000 grams, so, 250 grams is a quarter, just divide the $22,000 by 4 = $ 5,500
Answer:
B) 451
Step-by-step explanation:
1) 414 + 125 = 539
2) 539 - 88 = 451