A box contains blue, green and white beads. The ratio of the number of blue beads to the number of green beads to the number of white beads is 5:2:3. If there are 90 blue beads, how many beads there altogether?

2÷6+1/2 to the second power plus one

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 is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4