Aman bought 420 apples for rs. 280 but 84 were rotten. yet he earned 20%. estimate how did he sell ?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Find the missing factor. write your answer inexponential form.9^2=9^4×