Evaluate expressions
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Evaluate 5r, when r = 2
10
Evaluate 3s + (2s + s) when s = 4
24
Evaluate 5n - n, when n=4
16
Evaluate (4b)² + 30, when b =3
174
Evaluate 12(y + 5) + y², when y=7
193
Evaluate 37-x², when x=4
21
Evaluate x + 9², when x = 4
85
Evaluate (y + 9)², when y=7
256
Evaluate y÷3 + ( y + 2), when y=18
26
Evaluate a² + 5(a + 3a), when a=10
300
Evaluate 3x-12, when x=15
33
Evaluate (4a-2a)², when a=3
36
Evaluate 10(n-2), when n=6
40
Evaluate 3z + (5² - z), when z = 9
43
Evaluate 11(2 + y) + y, when y=2
46
Evaluate 6y², when y=3
54
Evaluate 12 +5a, when a=9
57
Evaluate y³+14, when y= 4
78
