To make lemonade you used 1 quart of water one pint of lemon juice and 9 ounces of your secret ingredient how much lemonade did you make

Evaluate the expression. (9 + 5)(3 + 2)0

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.

Tan198=asin164=? how to solve this? ?