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 13 hours. 
A. 86.8
B. 76.2
C. 86.2
D. 81.2
Answer: D
Mathematics
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Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
9 cm
A. 6.5 cm B. 97 cm C. 9.849 cm D. 48.5 cm
Mathematics
Multiply.(5
+ 
)(5
- 
)
A. 25x - 2
- y
B. 25x2 - y2
C. 25x + y
D. 25x - y
Mathematics
Provide an appropriate response.The value of an antique figurine is expected to appreciate each year after it is purchased for $550. If x is the number of years that have passed, the current value of the figurine can be estimated by the function 
Graph the function by finding and plotting two points.
What will be an ideal response?
Mathematics
Write the sentence as a mathematical statement.Fourteen is greater than two.
A. 14 ? 2 B. 14 > 2 C. 14 < 2 D. 14 = 2
Mathematics