Solve the problem.There are 9 horses in a race. In how many ways can the first three positions of the order of the finish occur? (Assume there are no ties.)
A. 82
B. 508
C. 504
D. 84
Answer: C
Mathematics
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Convert to radical notation and simplify.84/3
A. 64 B. 16 C. 32 D. 128
Mathematics
Choose the equation that matches the graph.
y = 3x2 + 2x - 6; y = 3x2 + 2x + 6y = 3x2 - 2x - 6; y = -3x2 + 2x - 6
A. y = -3x2 + 2x - 6 B. y = 3x2 + 2x - 6 C. y = 3x2 + 2x + 6 D. y = 3x2 - 2x - 6
Mathematics
Solve the system analytically. x + y + z = -2 x - y + 4z = -133x + y + z = -12
A. ? B. {(-1, 4, -5)} C. {(-5, 4, -1)} D. {(-1, -5, 4)}
Mathematics
Write a quadratic equation in standard form with the given solution set.{3 + 
, 3 - 
}
A. x2 + 6x + 1 = 0 B. x2 - 6x - 1 = 0 C. x2 - 1 = 0 D. x2 + 1 = 0
Mathematics