The first 5 terms of a quadratic sequence are -1, 5, 15, 29,47
Find the nth term of this sequence.

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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.