One company is selling food for $8 per meal plus $2.75 for delivery. another company sells the same food for $7.50 plus $4.75 for delivery. how many meals would you need to order for the total to be the same for each company?

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?

What is the slope of the line shown below?

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.