Answer:
The answer is A.
Step-by-step explanation:
The minimum sample size required for a test with a confidence interval of

with a z-score of

and margin of error of E and a population proportion of p is given by:

Given p = 58% = 0.58, E = 4% = 0.04,

Therefore,
Answer:
Beth is 61.
Step-by-step explanation:
If Beth is going to be 73 in 12 years, you'd have to subtract 12 from 73. Therefore, 73 minus 12 equals 61.
Answer: The 9th term is 6561
Step-by-step explanation:
The geometric sequences have the following formula

Where
is the first term of the sequence and r is the common ratio between the consecutive terms of the sequence
In this case the sequence is 1 -3 9 -27
So 
Observe that the common ratio r is:

So the formula is:

We want to find 

