N is an integer Write the values of n such that -15<3n<6

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Opposite angles in a parrellelogram are

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0