How do you simplify 6+3x^2+2y^2-3-y^2

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.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

If a || b and e || f , what if the value of y ?