If f(x) = 3x2 + 1 and g(x) = 1 - x, what is the value of (f-9)(2)?​

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

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance