Perform the arithmetic.(-19) + (-1) + 12
A. -6
B. -8
C. 8
D. -30
Answer: B
Mathematics
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Determine the quadrant containing ?.sec ? < 0 and tan ? < 0
A. I B. II C. III D. IV
Mathematics
Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable. 7x - 9y - z = -24 x - 3y - 5z = -54-2x + y + z = 7
A. {(3, 4, 9)} B. ? C. {(-3, 4, 6)} D. {(3, 9, 4)}
Mathematics
Assume that y is directly proportional to x. Use the given x-value and y-value to find a linear model that relates y and x.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Write the exponential equation in logarithmic form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics