Name the quadrant or axis where each point lies. Point A
Point B
The X-coordinate is positive and
the y-coordinate is zero.
The X-coordinate is positive and
the y-coordinate is negative.
Location: (Choose one) Y
Location: (Choose one) v

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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.