Which equation represents this ellipse?
A (x - 6)2/49 + (y-2)2/9=1
B (x+6)2/49 + (y+2)2/9=1. C (y-6)2/49 + (x-2)2/9=1. D (y+6)2/49 + (x+2)2/9=1

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

If the value of cos330°is√3/2 then find cos 165°.

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.