Mr. smith is measuring his backyard. the width of the backyard is one-fourth the length.

the perimeter of the backyard is 80 feet.

what is the length and width of her backyard?

Use the distributive law to multiply. 3(4x + 5y + 6)

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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]