Write a rule to describe the transformation. E(-1-3), F(0,1), G(3,-2)
E'(-1.5.-4.5), F'(0,1.5), G'(4.5,-3)
Dilation of
3
2
O Dilation of 3
O Dilation of 1.25
O Dilation of 0.5
None of the other answers are correct

Could somebody me with this radical simplification?

Answer pls man im trying to get out of summer school

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.