Christina is using her computer to design invitations to her birthday party. the text of the invitation is contained in a rectangle with a length of 9.5 inches and a width of 5 inches. around the perimeter of the text, christina wants to have a red border of width r. around the red border, she wants a purple border of width p. find an expression for the perimeter of the completed invitation.

a.47.5 + 6r + 2p

b.14.5 + 4r + 4p

c.29 + 8r + 8p

d.19 + 8r + 8p

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.