Find the value of x. round your answer to the nearest tenth

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Given that abcd is a rhombus, what is the value of x?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?