Answer:
D
Step-by-step explanation:
<span>To find the confidence interval, add and subtract the margin of error from the mean.
With mean 18.7 and margin of error 5.9, you have 95% confidence the answer is between 12.8 and 24.6.</span>
Answer:
3.5
Step-by-step explanation:
Answer:
The product of 12 and k is 84
According to the given problem, the equation is

- <u>k = 7</u> is the right answer.
A^2 + b^2 = c^2
6^2 + 8^2 = c^2
36 + 8^2 = c^2
36 + 64 = c^2
100 = c^2
√100 = c
10 = c
hope this helped, pls mark brainliest :)