When you are simplifying radicals why do some numbers come out and others stay inside the radical symbol?

What is the solution to the equation e3x=12? round your answer to the nearest hundredth

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.