Find the sum using the formulas for the sums of powers of integers.
?
?
A. 33
B. 17
C. 30
D. 5
E. 9
Answer: B
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Identify the fraction as proper or improper.
A. proper B. improper
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.4x2 + 8x + 1 = 0
A. 
B. 
C. 
D. 
Provide an appropriate response.Write fourteen and seven hundred forty-seven thousandths using numbers.
A. 14,747 B. 14.747 C. 14.0747 D. 0.14747
Solve the problem.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. By using linear regression, the following function is obtained: 
where x is number of hours studied and y is score on the test. Use this function to predict the score on the test of a student who studies 6 hours. 
A. 68.7 B. 76.3 C. 78.7 D. 73.7