Answer:
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helping see the attachment
40
Step-by-step explanation:
sin(29) =
x =
x = 39.19064145
x = 40
94.2
J
-66
a1 = 2
n = 18
d = - 4
a18 = a1 + (n - 1) * d
a18 = 2 + (18 - 1)*(-4)
a18 = 2 + 17*-4
a18 = 2 - 68
a18 = -66
