Agroup of girl scouts are seeing who can sell the most cookies. a lady comes up and wants to find the best deal for cookies. jessica sells 12 cookies for 20$. aurora sells 15 cookies for 18$.alexa sells 10 cookies for 12$.which girl should the lady buy cookies from to get the best deal?

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.