1) Rob and Jenny are selling fruit for a school fundraiser. Customers can buy small boxes of oranges and large boxes of oranges. Rob sold 6 small boxes of oranges and 1 large box of
oranges for a total of $76. Jenny sold 6 small boxes of oranges and 8 large boxes of oranges for a
total of $188. What is the cost each of one small box of oranges and one large box of oranges?

The slope of a line is –2 and its y-intercept is (0, 3). what is the equation of the line that is parallel to the first line and passes through (2, 2)? a. 2x + y = 6 b. y = –2x + 3 c.y=1/2x +6 d.y=-2x-6

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.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry