Evaluate x2/y + x2/z , if x = 10, y = -5, and z = -2.

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Is (root2 -2)^2 rational or irrational. show the steps and answer fast

Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.