Which number produces an irrational number when multiplied by 0.4

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?

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?