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10 questions
5m + 9n if m = -7 and n = 4
71
1
-1
-71
x2 - xy if x = 8 and y = -3
88
40
-8
-24
(18 - ab) + 4b if a = -2 and b = -5
8
28
48
-12
-7w2 + 2w if w = -4
104
-64
-120
120
½(10p - 7q) if p = 9 and q = 2
31
38
52
152
10c - cd + d3 if c = -6 and d = 2
-40
56
54
-64
(12xy)/(x - y) if x = 3 and y = -1
9
-18
18
-9
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