An ant moves forward 18.2 inches in one hour. it turns around and crawls 13.5 inches in the next hour. finally, in the third hour, it turns around again and crawls 5.1 more inches. how much forward progress did the ant make in 3 hours?

Identify the number 127 as a rational or irrational. explain

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.

The equation line of cd is y=-2x-2. write an equation of a line parallels to line cd in slope-intercept form that contains point (4,5)