True or false. if false provide a counterexample. it is possible to decrease the cost of an item by more than 100%.

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Identify the number 127 as a rational or irrational. explain