Blake just purchased a total of 12 books and magazines for his office. the total bill was $112. he spent $16 on magazines, and the books cost $12 each. how many books did she buy.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4