Classify this polynomial.
-7r+ 5q²rs
trinomial
monomial
binomial
none of these

Which is an equation for the nth terms of the sequence 12,15,18,21

Need ! give step by step solutions on how to solve number one [tex]\frac{9-2\sqrt{3} }{12+\sqrt{3} }[/tex] number two [tex]x+4=\sqrt{13x-20}[/tex] number three (domain and range) [tex]f(x)=2\sqrt[3]{x} +1[/tex]

Can anyone me with 32,33,36,37,and 40.