D. because 3 and 4 don't both go into any other number besides 12, they don't go into 3, 4 or 7, so its 12.
The answer would be B because the 100 stays in there and you are adding 8% per year. Hope this helps.
Answer:
634
Step-by-step explanation:
659-25=634
Poor little Francis. :(
Answer: One tail test.
Step-by-step explanation:
Given : A sample of 36 observations is selected from a normal population. The sample mean is 12, and the population standard deviation is 3.
Also, The set of hypothesis to conduct a test :-

The kind of test need to perform is dependent upon the alternative hypothesis.
Since, the alternative hypothesis is one tailed (right-tailed), so the test is one tail test.