A gallon of milk cost $2.79 in the year 2000. In 2015, it cost $3.98. What is the percent of change of the gallon of milk from 2000 to 2015? (round your answer to the nearest tenth and don't forget the % sign)

At least two people have the same birthday in a school of 150 students

What is the distance between (–2 1/2,-3) and (1, –3)?

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.