19. The wingspan of a ghost bat is 12 more than twice that of a vampire bat. Suppose a ghost bat has a wingspan of 28 inches. Which equation can be
used to find the wingspan of a vampire bat?
A x + 2 + 12 = 28
C 2x – 12 = 28
B 2x + 12 = 28
D 12x + 2 = 28

How do you write something in scientific notation?

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.

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.