There are two equal groups of 8 books on the shelf one group had reading books in the other group three of the books are math books and the rest are science books how many science books are there?it would me so much to m

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

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.

What number gives you a irrational number when added to 2/5