Please help Almost 9/16 of the total water supplied to a household is used for taking showers. Determine the decimal equivalent of 9/16.

Use words to explain if the decimal terminates or repeats.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

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.

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct