Damarius and her brother andrew are sharing the $35 cost of a gift for their mother. damaris has $56 in her piggy bank. she is willing to contribute 3/8 of the amount of money she has in her piggy bank. how much money must andrew have in his piggy bank in order for them to have enough to buy the gift.

What is the measure of ac? 5 units 13 units 26 units 39 units

Which of the following is an equation of a line parallel to the equation y=4x+1?

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.