A small coffee shop sells bags of two types of coffee. Bag A contains 24 ounces and costs $15.60. Bag B contains 30 ounces and costs $20.40. Which statement is true? A: Bag A costs 3g less per ounce than Bag B. B: Bag A costs 3g more per ounce than Bag B.

C: Bag A costs 2 less per ounce than Bag B.
D: Bag A costs 2 more per ounce than Bag B.​

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6