HQwen earned $350 last month and saved 20% of her earings she saved last month. She is having for a new Danie system that cost saso. At this, rare it will
take her 8
have some money left over
months to save enough money to buy the game system and she will

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

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary