The first statement is false and answer to second statement is no.
The mentioned information does not state that x and y are linearly related or not. If they are not related in linear way, the mean value of y would not be located at the mean of the x values.
Confidence intervals indicate the mean or population of the sample. For the confidence interval of sales of pizza stores, the similar data would be required for comparison using statistics tool. Hence, the relevant data should be sales of nearby pizza stores till now. Thus, the mentioned statement is irrelevant.
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Step-by-step explanation:
To find out how much she spent:
30 - 27.15 = 2.85
Change it to cents:
2.85 x 100 = 285 cents
Calculate how many yards of ribbon she bought:
285 / 19 = 15
Therefore, she bought 15 yard of ribbon.
Answer:132
Step-by-step explanation:
Use proportion
12:2=x:22
x=22*12/2
x=132
The fractions that is equivalent is D. 6/15.
The fraction shaded is 2/5 and 6/15 reduced = 2/5
6/3 = 2
-------
15/3 = 5
The expression is an illustration of the summation notation
The expanded form of the summation notation 
is 0^4 + 1^4 + 2^4 + 3^4+4^4
<h3>How to determine the expanded form</h3>
The summation notation is given as:
The above summation notation represents the sum of the numbers raise to the power of 4, from 0 to 4
So, we have:
Hence, the expanded form of is 0^4 + 1^4 + 2^4 + 3^4+4^4
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