What is the answer please

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

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]