Find the center and radius for the circle, given the equation: 20y+x^2-14y=14-6x

(-3, -10) r 8

(2, 10) r 8

(-3, 10) r 8 not correct

(-3, 10) r 64

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

What is sin 7x/4 ? i need on this urgent trig

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0