Simplify and find the value for 1) x = -1, y = 1 and z = 2 (x – 2y) (3x2 + 4xy – y 2 )

Which expression gives the area of the triangle shown below

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume