What decision rules are the best/worst? Be able to rank the rules from worst-to-best or best-to-worst.

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

In the 30-60-90 triangle below side s has a length of and side r has a length

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.