Solve the equation.15x2 = 8x
A. - 
, 0
B. - 
, 0
C. 
, 0
D. 
, 0
Answer: C
Mathematics
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Sketch D and g(D) from the description of D and change of variables 
x = u cos v, y = u sin v where D is the rectangle 1 ? u ? 2, 0 ? v ? 
?
A.
 ? |  |
B.
 ? |  |
C.
 ? |  |
D.
 ? |  |
Mathematics
Solve the quadratic equation by completing the square.x2 + 14x + 39 = 0
A. {-14 + 
}
B. {7 ± 
}
C. {7 + 
}
D. {-7 ± 
}
Mathematics
Write the system of equations associated with the augmented matrix. Do not solve.
A. 
B. 
C. 
D. 
Mathematics
Solve.The number of students in a school in year n is estimated by the model
. About how many students are in the school in each of the first three years?
A. 96, 120, 140 B. 100, 120, 152 C. 96, 120, 152 D. 108, 132, 164
Mathematics