Cho biểu thức :A=2n+2/2n-4 a) Với giá trị nào của n để A là phân số b) Tìm các giá trị của n để A là số nguyên

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was

In the diagram below,abc is congruent to dec what is the value of x