Along-distance company charges a rate of 8 cents per minute or a 90-cent minimum charge per completed call, whichever is greater. find the cost, in cents per minute , for a 22-minute call.

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.

What describes horizontal cross section of the right rectangle 6m 8m 5m

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?