A line has this equation: x +6y = -24 Write an equation fortheperpendicular line that goes through (7,9).

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?