The measures of ∠x and ∠y are equal. Which is the value of m?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?