Maria mows 2/3 of a lawn in 1/5 hour. How Many similar-sized lawns can she mow in 1 hour? -must haves:)..
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^^I will also mark some one the brainiest who ever answers this ;)

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 function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

How many ordered pairs of positive integers satisfy xy=32?