1. megan and julie are stuck simplifying radical expressions. megan has to simplify the quantity of x to the one third power, over x to the one twelfth power. julie has to simplify the thirty second root of the quantity of x times x to the second times x to the fifth. using full sentences, describe how to fully simplify megan and julie's expressions. describe if megan and julie started with equivalent expressions or if they started with expressions that are not equal. 2. randy is taking his math sat. to receive full credit, he must answer this question: what key features are necessary—and how are the features used—to create the sketch of a polynomial function? what is randy's correct answer, so he receives full credit for the question? explain in complete sentences. 3. jordan is a manager of a car dealership. he has two professional car washers, matthew and arianna, to clean the entire lot of cars. matthew can wash all the cars in 14 hours. arianna can wash all the cars in 11 hours. jordan wants to know how long it will take them to wash all the cars in the lot if they work together. write an equation and solve for the time it will take matthew and arianna to wash all the cars together. explain each step.