What is the domain of the function shown below? 1) -1 5x56
2) -1 Sy s6
3) -2 5x55
4) -2 3y 35

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

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?