No one answered last time need answer asap δlʹmʹnʹ is a dilation of δlmn with the origin as the center of dilation.  the coordinates of the vertex of ∠lmn are (40, 55).  if the scale factor is , what are the coordinates of the vertex of ∠lʹmʹnʹ? ( , )

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

What is the slope of the line (-7,2) (4,6)

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.