Find the LCD of the list of fractions.
, 
A. 12
B. 5
C. 7
D. 35
Answer: D
Mathematics
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Multiply.(x - 3)(x2 + 3x - 2)
A. x3 + 6x2 + 11x - 6 B. x3 + 7x - 6 C. x3 - 6x2 - 11x + 6 D. x3 - 11x + 6
Mathematics
Compute r, the linear coefficient of correlation, for the given data.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters):
A. 0.256 B. 0.196 C. 0 D. -0.210
Mathematics
The matrix is the final matrix form for a system of two linear equations in variables x1 and x2. Write the Solution of the system.
A. x1 = 3 x2 = 5 B. x1 = -5 x2 = -3 C. x1 = 5 x2 = t for any real number t D. x1 = 5 x2 = 3
Mathematics
Simplify the expression.
A. 11.314 B. -8 C. 22.627 D. not a real number
Mathematics