X^2 + 10 X + 25 is a perfectly trinomial square please give me full solution​

Wrote and expression for the difference of p and 4

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

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.