Add the expressions 4-2/3b+
1/4a and 1/2a + 1/6b -7
What is the simplified sum?

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

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.