the price of a stereo system is $627.50 the sales tax is 6% find the amount of the tax and the total cost ​

Triangle xyz has vertices x(1,3), y(0,0)

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.

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.