Determine whether the pair of lines is parallel, perpendicular, or neither.12x + 4y = 1627x + 9y = 37
A. parallel
B. perpendicular
C. neither
Answer: A
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Find the product. Simplify before performing the multiplication.- 
? 36
A. -24
B. -54
C. - 
D. 54
According to Lambert's law of absorption, the percentage of incident light L, absorbed in passing through a thin layer of material x, is proportional to the thickness of the material. If 
in. of a certain material reduces the light to half of its intensity, how much additional material is needed to reduce the intensity to one-fourth of its initial value?
What will be an ideal response?
Write the expression in lowest terms.
A. 0 B. -1 C. 1 D. -y
Sketch a graph of a single function that has these properties.(a) defined for all real numbers(b) increasing on (-3, -1) and (2, ?)(c) decreasing on (-?, -3) and (-1, 2)(d) concave upward on (-?, -2) and (1, ?)(e) concave downward on (-2, 1)(f) f'(-3) = f'(-1) = f'(2) = 0(g) inflection point at (-2, 0) and (1, 1)
What will be an ideal response?