Jack swam 3.4 miles in the same time that christine swam 4.1 miles. how many more miles did christine swim?

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?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

What is the value of 4x to the third +4x if x is 4