1)

2)

3)

4)

Parts (a) & (b):
Parts (c) & (d):
5)

Part (a):
Part (b):
Part (c):
6)

Parts (a) & (b):
Part (c):
7)

Parts (a) & (b):
Parts (c) & (d):
8)

Part (a):
Part (b):
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