a library has 3489 non-fiction books,8617 fiction books and 1,240 reference books. All books, except the reference books, are available for loan(borrow).How many books are availabe for loan?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?