Which of these is a simplified form of the equation 7z + 2 = 8 + 2z + 1z?

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?

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

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.