Answer:
a₂₁ = 638
Step-by-step explanation:
substitute n = 21 into the explicit formula
a₂₁ = - 2 + 32(21 - 1) = - 2 + 32(20) = - 2 + 640 = 638
3:2, easy.
the rest you dont need to read i just need 20 characters to "explain it well".
Answer:
n=9
Step-by-step explanation:
because 3 times 9 =27 plus 17 =44
Answer: 16.5 hours
Step-by-step explanation:
distance=rate*time
132=8*x
Divide by 8 on both sides
x=16.5
Answer:
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Step-by-step explanation:
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