Jim earned $140 during the summer doing chores. he bought 2 sets of pens worth $25 each using his chore money. how much money was left after he bought the pen sets? $58 $90 $190 $255

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

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.

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?