Answer:
a9 = 42
Step-by-step explanation:
a1 = 10 n = 9 d = 4
an = a1 + d (n - 1)
a9 = 10 + 4 (9 - 1)
a9 = 10 + 4 (8)
a9 = 10 + 32
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Answer:
a9 = 42
Step-by-step explanation:
a1 = 10 n = 9 d = 4
an = a1 + d (n - 1)
a9 = 10 + 4 (9 - 1)
a9 = 10 + 4 (8)
a9 = 10 + 32
a9 = 42