Alarge candy bar was 107 calories. the smaller candy bar was 26 percent fewer calories. how many calories does the smaller candy bar have?

Find the value of x for which the lines are parallel.

Is this a polynomial function? i need to know asap

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.