Determine whether the given lines are parallel, perpendicular, or neither.y = 9x + 6y = 9x - 8
A. Parallel
B. Neither
C. Perpendicular
Answer: A
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Find the required ratio.The atomic mass of an atom of carbon is defined to be 12 u. The ratio of the atomic mass of an atom of bromine to that of an atom of carbon is 
. What is the atomic mass of an atom of oxygen? (The symbol u represents the unified atomic mass unit, where 1 u = 1.66 × 10-27 kg.)
A. 40 u B. 80 u C. 160 u D. 82 u
Find an equation in slope-intercept form of the line satisfying the specified conditions.A vertical line that passes through the point (1, 6)
A. y = 1 B. x = 6 C. x = 1 D. y = 6
Write the vector in the form 
A. 
B. 
C. 
D. 
For the verbal description of a function, write a formula for f.Function f multiplies the input x by 4 and then adds 7 to the result to obtain the output y.
A. f(x) = 4x + 7 B. f(x) = 7x - 4 C. f(x) = 4x - 7 D. f(x) = 7x + 4