Write the equation for the plane.The plane through the points P(5, 4, -19) , Q(-3, -5, 33) and R(-1, 6, -15).
A. 4x + y + 2z = -7
B. 2x + 4y + z = 7
C. 4x + y + 2z = 7
D. 2x + 4y + z = -7
Answer: B
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by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, and replacing x by 
.
A. 
B. 
C. 
D. 
Solve the problem.Which of the following statements [A), B), C), or D)] is not true?
A. If G is a gnomon to A, then A must be a gnomon to G. B. There are figures that are gnomons to themselves. C. There are figures that have more than one gnomon. D. There are figures that have no gnomons. E. all of these statements are true.
Evaluate the expression.(9 ? 7 - 21 ÷ 7)0
A. 1 B. 0 C. 66 D. 60
Find the sum of the first 26 terms of an arithmetic sequence with 15th term of 
and a common difference of 
.
?
A. 
B. 
C. 
D. 
E. none of the above