Answer:
a n=1/2 an - 1
Step-by-step explanation:
64,32,16,8,4. is a geometric sequence. this is a sequence where, to get from one term to the next, there is a number that you have to multiply it by. this is the same for all parts of the sequence.
Answer:y=(x-6)^2-4
the answer is 92 bags.
167x11=1837
1837÷20=91.85....or 92 bags
