Provide an appropriate response.Add the radicals and simplify: 5
+ 3
A. 57
B. 21
C. 8
D. 56
Answer: B
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Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = 8, c = ?
A. c = 10 B. c = 7 C. c = 9 D. c = 5
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. closed infinite interval; {x|x ? 2}; [2, ?) B. open infinite interval; {x|x > 2}; (2, ?) C. open infinite interval; {x|x < 2}; (-?, 2) D. closed infinite interval; {x|x ? 2}; (-?, 2]
Reduce the rational expression to lowest terms.
A. y2 - 16
B. y2 + 4y + 16
C. 
D. 
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 11 hours. 
A. 92.5 B. 83.8 C. 84.1 D. 74.1