Sohan purchased a wall clock. The radius of the clock is 20cm. What is the area and circumference of the wall clock?

What is the answer to this problem 7 * 5/6

Polynomial that can be factored as (3x-4)(3x+4)

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.