The first bookcase, a, in a library can hold 1 less book than the second boocase. The second bookcase hold 2,492 books. Write an ineaquality to represent the number of books the first bookcase can hold

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Factor and solve to find roots x squared -x - 90 =0