A varies directly as the square of r, and A= 2464 when r=28. What is k?

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?