Assignment: operations with radical expressions choose any four of the following five problems to solve. use the appropriate operation with radical expressions to solve each problem. write all answers in simplest form, and show all work leading to your answer. 1. two passengers on a cruise ship look out across the horizon. one of the passengers who is standing on the upper deck can see a distance of 48 miles. the other passenger who is standing on the lower deck can see a distance of 27 miles. a. write an expression to represent the difference between the two distances each passenger can see. then simplify the expression, keeping your answer in radical form. show all steps needed to write your answer in simplest form. b. use a calculator to change the answer to decimal form. round the answer to the nearest tenth. using this decimal number, write a sentence to explain the meaning of the answer in this situation.