Which of the following transformations does not preserve congruence? A Reflection across the x-axis
B Rotation of 120° counterclockwise
C Translation 1.5 units left
D Dilation by a factor of 4

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

What describes horizontal cross section of the right rectangle 6m 8m 5m