Points a and b are the endpoints of an arc of a circle. chords are drawn from the two endpoints to a third point, c, on the circle. if m = 64°, what is macb?

Find the domain of the following expression: 1/(√x)-2

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

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.