Determine whether the pair of lines is parallel, perpendicular, or neither. 9x + 3y = 1227x + 9y = 39
A. Parallel
B. Perpendicular
C. Neither
Answer: A
Mathematics
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Multiply or divide.-288 ÷ 96
A. 3
B. -13
C. -3
D. - 
Mathematics
Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Mathematics
Provide an appropriate response.Plot the point 
and find other polar coordinates (r, ?) of the point for which: (a)r > 0, -2? ? ? < 0 (b) r < 0, 0 ? ? < 2? (c) r > 0, 2? ? ? < 4?
A. (a) 
, (b) 
, (c) 
B. (a) 
, (b) 
, (c) 
C. (a) 
, (b) 
, (c) 
D. (a) 
, (b) 
, (c) 
Mathematics
Simplify the algebraic expression by combining like terms.-6(2x - 9) - 4x + 7
A. -16x - 47 B. 8x + 61 C. -16x + 61 D. 16x + 61
Mathematics