360/18= 20
so the answer is 20 degrees
Matthew will need to leave home at 10:15 in order to arrive at concert ar 10.45
He would need to at least 44 to sell before breaking even.
9514 1404 393
Answer:
geometric sequence
Step-by-step explanation:
The terms of the sequence have a common ratio of -12/3 = -4, so the sequence is geometric. The general term is ...
an = 3(-4)^(n-1)
so the sum can be written as ...

(Note the summation starts at n=0, corresponding to a first term of 3.)