Caiden and josh are practicing at a batting cage. josh has hit nine more than one half the number of balls that caiden has. if the sum of their hits is 123, how many balls has josh hit? ( include work for this problem, i appreciate it greatly.)

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 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.

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?