Solve the problem.Seven slips of paper marked with the numbers 1, 2, 3, 4, 5, 6, and 7 are placed in a box and mixed well. Two are drawn. What are the odds that the sum of the numbers on the two selected slips is not 6?

A. 19 :1
B. 9 : 1
C. 21 : 2
D. 19 :2


Answer: D

Mathematics

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Graph the curve whose parametric representation is given. x = 3t, y = t + 3; -2 ? t ? 3 

A.

B.

C.

D.

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Solve.26y2 - x2 = 1xy = 5

A.

No real number solution exists.

B. (5, 1)
C. (-5, -1)
D. (5, 1), (-5, -1)

Mathematics

Subtract.(7x5 + 3x7 + 7 + 9x6) - (2 + 6x6 + 8x7 + 9x5)

A. -5x7 + 15x6 + 16x5 + 9 B. 11x7 + 15x6 + 16x5 + 5 C. -5x7 + 3x6 - 2x5 + 5 D. 11x7 + 15x6 + 16x5 + 9

Mathematics

Find the average value of the function over the given interval.y = x2 - 3x + 6; [0, 6]

A. 24 B. 6 C. 9 D. 39

Mathematics