The first term of this series (a+1) is 1 and the common ratio (r) is -3.
Thus, the explicit formula is a_n = 1*(-3)^(n-1).
Must check this! suppose we try to calculate the 3rd term. Then n = 3.
a_3 = 1*(-3)^(3-1) = (-3)^2 = 9. This is correct.
Answer:
10
Step-by-step explanation:
60/5 = 12
12*2=24
2 tickets are $24
the equivalent expression is C
I think the answer is B. because it says "waste of time"
