C. evaluate each expression for a=4 and b=2

1.5a+3b
2.
[tex] \frac{a}{9} + 8b[/tex]
3.7a+8b
4.11ab-5a+6b
5.4(2a+3b)
6.a/b(11a-12b)
7.a²+3b²
8.5a²+4b²



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