Determine whether the pair of lines is parallel, perpendicular, or neither.12x + 4y = 1621x + 7y = 31
A. Parallel
B. Perpendicular
C. Neither
Answer: A
Mathematics
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Simplify. Write your answer in the form a + bi, where a and b are real numbers.(15 + 7i) - (5 + 4i)
A. 10 + 3i B. -10 + 3i C. -10 - 3i D. 10 - 3i
Mathematics
Solve the inequality.For the function g(x) = x4 - 81x2, solve g(x) < 0.
A. (-9, 0) ? (0, 9) B. (-?, -9) ? (0, 9) C. (-?, -9) ? (9, ?) D. (-9, 0) ? (9, ?)
Mathematics
Find the area of the specified region.Inside the six-leaved rose r2 = 9 cos 3?
A. 3
B. 
C. 9
D. 18
Mathematics
Determine whether the sentence is a statement.Do you like this color?
A. statement B. not a statement
Mathematics