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