Can some on help me pls

Hi, can anyone show me how to do this problem? 100 points for this. in advance

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

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.