Which set of ordered pairs represents a function from P to Q ? P equals the set 1 comma 2 comma 3 comma 4 Q equals the set negative 2 comma 0 comma 2

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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.