The gilbert family bought airline tickets online. each ticket cost $167. the web site charged $19 per ticket, as well as a flat fee of $16. the gilberts were charged a total of $1132. write an equation and solve it to determine how many tickets the gilberts purchased.

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

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.

Find two consexutive odd integers such that the sum of their square is 650