Asnail creeps up a plank 8 centimeters each day and slides back down 15 millimeters each night. write a numerical pattern showing the number of millimeters where the snail changes direction on which day will have the snail have moved 275 millimeters up from its starting point

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost