Answer:
D
Step-by-step explanation:
I think it is the right answer, but I am not sure
Answer:
36(2+h)
Step-by-step explanation:
15 divided 6 is 2.5. So you have an extra '0.5' to the 2
Hope that helps!
Answer:
2, 12, 36, 80
Step-by-step explanation:
Substitute n = 1, 2, 3, 4 into the n th term formula, that is
a₁ = 1³ + 1² = 1 + 1 = 2
a₂ = 2³ + 2² = 8 + 4 = 12
a₃ = 3³ + 3² = 27 + 9 = 36
a₄ = 4³ + 4² = 64 + 16 = 80