Given the scatterplot below, which of the following equations would best model the data? choice.
(1) y 3x + 6
(3) y 4r+20x+3
(2) y 6(2)
(4) y = 21-6x+4

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x