A die is rolled twice. Write the indicated event in set notation.The sum of the rolls is 9, and one roll is a 6.
A. {(3, 6)}
B. {(6, 3), (3, 6)}
C. {(6, 3)}
D. ?
Answer: B
Mathematics
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Write the number in decimal notation. ? - 5.718 × 10-3 ?
A. - 0.005718 B. 0.5718 C. - 0.05718 D. 0.005718 E. - 0.0005718
Mathematics
Solve the system algebraically.y = 5x + 10y = 2x + 7
A. no solution B. (1, 5) C. (1, -5) D. (-1, 5)
Mathematics
Solve the problem.A circular pond is being installed in the corner of a yard, as shown. The installer needs to know the value of x in feet. Find x to the nearest tenth of a foot. 
?a = 49 ft
A. 52.9 ft B. 53.6 ft C. 53.8 ft D. 53.2 ft
Mathematics
Determine where the graph of the function f(x) = 
? 6x is concave upward and where it is concave downward. Also, find all inflection points of the function.
What will be an ideal response?
Mathematics