Let f(p) be the average number of days a house stays on the market before being sold for price p in $1,000s. which statement best describes the meaning of f(275)?

houses sell on the market for an average of $275,000 and stay on the market an average of 275 days before being sold.
houses sell for an average of $275,000.
f(275) indicates houses stay on the market an average of 275 days before being sold.
f(275) represents the average number of days houses stay on the market before being sold for $275,000.

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

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.