Find the area of the missing square off of leg 81 if the area of one square is 369 and the area of
another is 81.

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

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.