For the different values of X and why write the corresponding values of K when X varies directly with Y and 1X varies inversely with Y. X is represented by one, why is represented by four. What is the answer?

What is the length of the unknown leg in the right triangle ?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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.