If the mean of the four nurnbers 4, 8, x and
12 is 0, chen x is

If i have one apple and give you the apple, how many apples do i have?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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.