The perimeter of a triangle is 42 inches. One side measures 18 inches. The shortest side measures x inches. The longest side measured 4x- 1. Write and solve an equation to find the length of the longest side.

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.

Is a positive integer raised to a negative power always positive

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?