ABCD has coordinates B(12,10), and D(10,-4). After a dilation, the triangle's
new coordinates are B'(9,7.5), C'(-4.5,6),
and D'(7.5,-3).
By what factor was the original triangle
dilated?

Suppose you need to verify how to correctly use commas. you open your english textbook and scan the chapter titles. in which one would you most likely find the information you need? a. correct capitalization b. grasping grammar c. super spelling d. proper punctuation