Answer:
I would go with less than
i hope this helps
D would me the answer I just took the assignment
Answer:

Step-by-step explanation:

Explanation
Step 1
a) let

b) b value
to find the measure of side b we can use cosine function

c) angle B
to find the measure of Angle B we can use sine function

d) side a

so, the answer is

I hope this helps you
Answer:
Margin of Error = 1.96
7.75 = 15.19
Step-by-step explanation:
i) Margin of Error of a population with a standard deviation of 7.75?
ii) Let us assume a two tailed test with a 95% confidence interval
iii) 
iv) therefore Margin of Error = 1.96
7.75 = 15.19