You use 6 gallons of water on 20 plants in your garden at that rate how much water will it take you to water 30 plants ?

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

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

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.