Last year, the school library had a total of X books. over the summer, the library acquired another 39 books and now has a total of 2,782 books. which equation could be used to find X, the number of books the library had last year?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain