The equation y = 2.50x. can be used to determine the cost of any number of boxes of cereal at Store A. A customer shopped at Store B and spent $12 on 4 boxes of cereal on Monday and $6 on 2 boxes of cereal on Saturday.

Which store sells cereal at a lower price? How do you know?

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.