The table shows the cost per unit for some materials in a plumbing supply warehouse select all the correct statements A) The range 20 summarizes for the data
B)The median 18 summarizes the data
C)The range 20 describes how the values vary
D)The median 18 describes how the values vary
E)The range represents the average cost per unit.

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Find the area of the triangle shown 3 by 6

Solve 3x-18=2y and 5x-6y=6 by elimination show work