An elevator is two floors below ground level and goes up 5 floors. write an addition equation that models the location of the elevator relative to ground level. what interger representes the new location?

How many solutions does the nonlinear system of equations graphed bellow have?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]