Identify the ratio that does not have the same value as the other three. Explain your reasoning. 12 out of 15, 0.08, 80%, 4/5

Find out which of the numbers above is different then the rest then explain.

The length of time it takes to find a parking space at 9 a.m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)

Astore is having a sale in which all items are reduced by 20 percent. including tax, jennifer paid $21 for a pair of shorts. if the sales tax is 5 percent, what was the original price of the shorts

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