The of a group of numbers is found by dividing the sum of the numbers by the number of values in the group. in other words, we add all the numbers together and divide by the number of numbers.

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.

Suppose that the function f is defined. , for all real numbers, as follows. _ \ 1/4x² -4 if x≠ -2 f(x)=< /_-1 if x=-2 find f(-5), f(-2), and f(4)

Given right triangle abc, what is the value of tan(a)?