A company conducts research to predict how a new advertisement affects sales of a product. The equation below can be used to determine n, the number of people who buy the product
ir people read the advertisement.
n = 0.08r + 7,400
If 7,496 people bought the product last week, how many people read the advertisement?

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

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.

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20