Anyone can solve the inequalities circled? ?

Could somebody me with this radical simplification?

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

What is the perimeter of an equilateral triangle if each side is (x+3)?