Where would a point for 0.43 be placed on the number line

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

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.