2. determine whether or not each of the following sets of numbers is a ring under ordinary addition and multiplication. a) r- the set of positive integers and zero b) r knln e z, k a fixed positive integer)

Acharity is conducting a raffle, and it sells one ticket each to 35 women and 21 men. if 5 winners are randomly selected, what is the probability that they are all men? round to five decimal places. 0.00533 0.06268 0.09537 0.07776

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

The variable in a relation who’s value depends on the value of the independent variable is called what?