Solve. Write a mixed numeral for the answer.Brian was training to run a marathon. During the three-day period before the race he decided that he would train for a total of 12 hours. If he trained for 3
hours on the first day and 1
hours on the second day, how many hours would he need to train on the third day?
A. 6
hr
B. 6
hr
C. 7
hr
D. 6
hr
Answer: D
Mathematics
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Solve the inequality. Graph the solution set and write it in interval notation.6x + 3 > 5x + 1
A. [-2, ?)
B. (-?, -2)
C. (-2, ?)
D. (4, ?)
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Perform the division.
A. x2 - 9 B. x + 9 C. x - 81 D. x + 81
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Find the vertices and locate the foci for the hyperbola whose equation is given.64y2 - 4x2 = 256
A. vertices: (-2, 0), (2, 0)
foci: (-2
, 0), (2
, 0)
B. vertices: (-8, 0), (8, 0)
foci: (-2
, 0), (2
, 0)
C. vertices: (0, -2), (0, 2)
foci: (0, -2
), (0, 2
)
D. vertices: (0, -8), (0, 8)
foci: (0, -2
), (0, 2
)
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Solve.m - 1 ? -5
A. m ? 4 B. m ? -4 C. m ? -6 D. m ? 6
Mathematics