Find a difference equivalent to the product 11(x-y)

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

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

Select the lengths in centimeters that would form a right triangle