Help please Use properties of operations to write two
expressions that are equivalent to 3n + (8+72)

Katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress?

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

What is the slopeof the live that passes through the points and (-2,-5) and (3,-1)