1) (h - 9) - (-2h - 1) a) 3h + 8 b) 3h - 8 c) -3h + 8 d) -3h - 8 2) (-k + 9) - (7k - 8) a) 8k + 17 b) 8k - 17 c) -8k + 17 d) -8k - 17 3) -4 (5 + 9z) a) 36z + 20 b) 36z - 20 c) -36z - 20 d) -36z - 20 4) 6 (-2 + 8d) a) 48d + 12 b) 48d - 12 c) -48d + 12 d) -48d - 12 5) g = ca - b , let a be the subject a) a = cg + cb b) a = cg - cb c) a = (g + b) / c d) a = (g - b) / c 6) -3a - 3 = -2n + 3p , let a be the subject a) a = (-3 + 2n - 3p) / 3 b) a = (3 - 2n + 3p) / 3 c) a = -9 + 6n - 9p d) a = 9 - 6n + 9p 7) 5r = -3 (r + 3) - 7 a) r = 2 b) r = -2 c) r = 1/2 d) r = -1/2 8) -m + 2 (-1 - 2m) - m = -5 a) m = 1/2 b) m = -1/2 c) m = 2 d) m = -2 9) −5(1 − 5x) + 5(−8x − 2) = −4x − 8x a) x = 1/5 b) x = -1/5 c) x = 5 d) x = -5 10) Company employees attended a year end banquet. Forty-three of the guests ordered chicken, while twelve more of them ordered steak and nine fewer ordered seafood. How many guests attended the banquet? a) 46 b) 64 c) 101 d) 132

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