Answer:
Find out the what is the eighth term in the arithmetic sequence defined by the explicit formula.

To prove
As given the explicit formula for the arithmetic sequence .

Put n = 8



Therefore the eighth term in the arithmetic sequence is 23 .
Answer:
5
Step-by-step explanation:

=
=
=5
Answer:
54 Minutes
Step-by-step explanation:
45 minutes/5 walls/4 people=2.25 minutes per person per wall
2.25 times 6 times 4=54 minutes
Consider the number of the adult tickets is x
X+2x=276
3x=276
X=92
So the student tickets is =184
He was there for 3 hours cause 3 x 35 = 105 but 105 + 55 = 160