The 10th-grade class officers ordered t-shirts and sweatshirts to sell as a fundraiser. each t-shirt weighed of a pound, and each sweatshirt weighed of a pound. the total weight of the contents of the box was pounds. which equation written in standard form represents the number of t-shirts, t, and the number of sweatshirts, s, that were ordered? 2t + 3s = 175 3s = –2t + 175

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.

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.