How i can change my launguage in the because i am from brazil

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.

Rounded to the nearest tenth, what is the value of x

Write each rational number in the form a/b, where a and b are integers. 1. 5 1/6 2. -12