Decide whether the pair of lines is parallel, perpendicular, or neither.9x + 3y = 1215x + 5y = 22
A. parallel
B. perpendicular
C. neither
Answer: A
Mathematics
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Use the appropriate formula to find the indicated figurate number.the 18th heptagonal number
A. Hp18 = 837 B. Hp18 = 37.8 C. Hp18 = 783 D. Hp18 = 810
Mathematics
Determine if the pair of polar coordinates represents the same point.(6, 211°), (-6, 31°)
A. Yes B. No
Mathematics
For a test question, a mathematics teacher wants to find two constants a and b such that the test item "Simplify 
)" will have an answer of 
. What constants should the teacher use for a and b?
? a = __________ ? b = __________ What will be an ideal response?
Mathematics
Evaluate the logarithm without the use of a calculator.log1/2 16
A. -4
B. 
C. 4
D. - 
Mathematics