Find the percent of change if the original price is $246.95 and the new price is $199.95. round to the nearest tenth of a percent of necessary. show your work and state whether this is an increase of decrease.

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?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

Find all the angles that satisfy the equation cos(θ)=32