If f(x) = 3a + 1 and g(x) = 3x + 6 what value of x makes f(x) > g(x)?

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then