After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are a (6,3), b'(-2, 1),
and c'(1,7). what are the coordinates of the vertices of the pre-image?
a
b
c

For the equations below which statement is true ?

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

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.