Two similar polygons have areas of 16 square inches and 64 square inches. the ratio of a pair of corresponding sides is 1/2.

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

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.

To decrease an amount by 16% what single multiplier would you use