Which choice is equivalent to the product below for acceptable values of x? X+4. X-4
A. x²
B. 2 +16
C. x
D. Vx2 - 16

The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500