Acertain arithmetic sequence has this explicit formula for the nth term: an= 11+(n-1)(4) the same sequence has this recursive formula:

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

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.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles