A triangle with vertices at A(0,0), B(0,4) and c(6,0) is dilated to yeild a triangle with vertices at A(0,0), B(0,10), and c(15,0) the origin is the center of dilation. what is the scale factor or dilation A.1.5
B.2
C.2.5
D.3

How far is x from 5 on a number line?

Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.