Help, what is- -1 8/9 divided by 1/3?

P. S. please answer this as soon as possible, this is due tomorrow

Which statements about these triangles is true

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?