Solve the problem.Find a unit vector perpendicular to plane PQR determined by the points 
and 
A. ± 
B. ± 
C. ± 
D. ± 
Answer: B
Mathematics
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Find the specific function value.Find f(1, 7) when f(x, y) = (x + y)3.
A. 24 B. 512 C. 64 D. 344
Mathematics
Determine whether the equation has no solution, one solution, or infinitely many solutions.65 = 8x - 7
A. One solution B. Infinitely many solutions C. No solutions
Mathematics
Build the fraction to an equivalent fraction with the denominator specified. State the numerator.
= 
A. 1 B. 4 C. 12 D. 3
Mathematics
Solve the inequality and write the solution set in interval notation.- 0.4z > - 1.2
A. (-?, - 3) B. (-?, 3) C. (- 3, ?) D. (3, ?)
Mathematics