Tiesha enjoys reading in her spare time. She reads 4 pages every 1/10 of an hour.
2 answers:
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By comparing all the options with the formula of sum of cubes and difference of cubes we get that is sum of cubes
<h3>What is formula of sum of cubes and difference of cubes?</h3>
Formula of sum of cubes and difference of cubes are following
(a)
by comparison with formula we can say that this is neither sum or nor difference of cubes.
(b)
by comparison with formula we can say that this is neither sum nor difference of cubes.
(c)
we can say that this is neither sum nor difference of cube as it's difference of squares.
(d)
by comparison with formula this is equal to
Hence this is sum of cubes
(e)
by comparison with formula we can say that this is neither sum nor difference of cubes.
By comparing all the options with the formula of sum of cubes and difference of cubes we get that is sum of cubes
To know more about cubes visit: brainly.com/question/107100
<h2>Answer with explanation:</h2>
Let p be the population proportion of parents who had children in grades K-12 were satisfied with the quality of education the students receive.
Given : Several years ago, 39% of parents who had children in grades K-12 were satisfied with the quality of education the students receive.
Set hypothesis to test :
Sample size : n= 1055
Sample proportion :
Critical value for 95% confidence :
Confidence interval :
Since , Confidence interval does not contain 0.39.
It means we reject the null hypothesis.
We conclude that 95% confidence interval represents evidence that parents' attitudes toward the quality of education have changed.