$190 the percent of markup is 40%. what's the markup and sale price

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.