Which equation is true when n =4
a 2n=6
b n + 3=7
c 9-n=13
d n 12 = 3 n over 12 is fraction form
in ms perrons class 75 percent of students are boys. there are 18 boys in the class. what is the total number of students in ms perrons class

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.