<h2>
Answer with explanation:</h2>
Given : Sample size : n = 36
Significance level for 90% confidence : 
Sample mean : 
Standard deviation : 
By using standard normal table for t-values,
Critical t-value : 
Thus, the correct value of t to construct a 90% confidence interval for the true mean percentage of cacao : 
Confidence interval for population mean :

Hence, A is the correct answer .
Answer:
2y is a coefficient.
9 is a constant.
6x and 5x are like terms.\
2y is term
these are the ones right
Step-by-step explanation:
Answer:
Good luck with math this year. Study hard for tests
Step-by-step explanation:
See the image.
Answer:
what are you saying
Step-by-step explanation:
If you imagine this line on a grid, you get 18 units below the 0 and 18 units above the 0, which means you must add them together and get your answer as 36 units. I hope this helps!