Determine the equation of the line described. Put answer in the slope-intercept form, if possible.Through (-4, -5), perpendicular to -2x - 7y = -27
A. y = 
x - 
B. y = 
x + 9
C. y = - 
x + 9
D. y = 
x + 
Answer: B
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Simplify the complex number to its rectangular form.7j + 5j2
A. 12j B. 2 C. -5 + 7j D. 5 + 7j
Find the rate of change. Use appropriate units.
Minutes Cellular Phone is Used
A. $0.11 per minute B. $2.30 per minute C. $1.33 per minute D. $0.75 per minute
Provide an appropriate response.Describe the graph of the function f(x) = x + 3 if the domain is 
A. The graph consists of the four points (3, 3), (4, 3), (5, 3), and (6, 3). B. The graph consists of the four points (3, 6), (4, 7), (5, 8), and (6, 9). C. The graph consists of the four points (0, 6), (1, 7), (2, 8), and (3, 9). D. The graph is a line through the four points (3, 6), (4, 7), (5, 8), and (6, 9).
Solve.Each day the commuter train transports x passengers to or from the city at $1.75/passenger. The daily fixed cost for running the train is $1200. Write an equation that relates the daily profit, P, in dollars to the number of passengers each day. Then use the equation to find the daily profit when the train has 920 passengers in a day.
A. P = 1.75x + 1200; $2810 B. P = 1200 - 1.75x; $410 C. P = 1.75x; $1610 D. P = 1.75x - 1200; $410