Question 77

Q78Short answer

79. S P R 24 m 10 m 8m 16 m A C P 36 m Q 40 m

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(a) pattern 1 2 3 4 5 6 toothpicks 4 7 10 13 16 19 (b) graph (c) pattern y = 3x + 1 (d) x 7 8 y 22 25 (e) Yes