Amanufacturer knows that their items have a lengths that are skewed right, with a mean of 18 inches, and standard deviation of 5.4 inches. if 40 items are chosen at random, what is the probability that their mean length is greater than 17.5 inches?

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.