What's smaller 2.473 3.85 2.72 3.7 or 3.15

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.

Abcd is a square. what is the measure of angle bac

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.