A triangle with vertices at A(20, -30), B(10, -15), and C(5,-20) has been dilated with a center of dilation at the origin. The
image of B, point B', has the coordinates (2, -3). What is the scale factor of the dilation?
A)1/10
B)1/5
C)5
D)10

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?