Solve the system of equations by Gaussian elimination.
A. {(0, 0, 3)}
B. {(0, 3, 0)}
C. {(0, 3, -3)}
D. ?
Answer: B
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Divide. Write the answer in simplest form.
÷ 
A. 
B. 
C. 
D. 
Use the labeled point to write the point-slope form for the line.
A. y - 4 = -7x B. y = -7(x - 4) C. y - 4 = -6x D. y = -6(x - 4)
Solve the problem.A life insurance company uses the following rate table for annual premiums for women for term life insurance. Use a graphing utility to fit the data with an exponential function in the form A = A0ekt. Round the values to the nearest thousandth. Then, use the function to predict the annual premium, to the nearest dollar, for a woman 70 years old. 
A. y = -3644.854 + 1023.386 ln x, $703 B. y = 8.944e0.068x, $1044 C. y = 8.944e0.068x, $1467 D. y = -3644.854 + 1023.386 ln x, $773
Solve the problem.The angle of elevation of the top of a pole as seen from a point 
away from the base is double its angle of elevation as seen from a point 30 ft farther from the pole. Find the height of the pole above the level of the observer's eyes. Round to the nearest whole unit.
A. 34 ft B. 25 ft C. 14 ft D. 46 ft