Evaluate the determinant.
A. -23
B. 13
C. 43
D. -13
Answer: B
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Find the distance from (-10,2,-8) to the xy-planes. Select the correct answer.
a. 8 b. 16 c. 10 d. 2 e. 4
Find the amount of premium retained by the company and the amount of refund to the insured using proration.Annual premium: $726Months in force: 7
A. $417.67, $308.33 B. $423.50, $302.50 C. $363.00, $363.00 D. $484.00, $242.00
Write the equation for the shape described.The circle that is tangent to the x-axis at the point (8, 0) and passes through the point (0, -4)
A. (x - 8)2 + (y + 10)2 = 100 B. (x + 8)2 + (y - 10)2 = -10 C. (x + 10)2 + (y - 8)2 = 100 D. (x - 8)2 + (y + 10)2 = -10
Solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x + 3y + 2z = 11 4y + 9z = -12
A. 
B. 
C. 
D. 