which of the following is a Pythagorean triple? A. 3,4,6. B. 7, 25, 26. C. 15, 21, 25. D. 9, 40, 41,​

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

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14