Write the complex number in rectangular form.10.83(cos 30° + i sin 30°)
A. 9.4 + 5.4i
B. 2.8 + 1.6i
C. -2.8 - 1.6i
D. 5.4 + 9.4i
Answer: A
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A. 
B. 
C. 
D. 
Solve the system of equations. If there is no solution to the system, give a reason.Solve using the addition method.4x + 7y = 344x + 2y = 64
A. (19, -6) B. (-19, 7) C. (-6, 19) D. (-19, 4)
Solve the problem.A lake is stocked with 554 fish of a new variety. The size of the lake, the availability of food, and the number of other fish restrict growth in the lake to a limiting value of 3462. The population of fish in the lake after time t, in months, is given by the function, P(t) = 
. Find the population after 10 month(s).
A. 2592 B. 2577 C. 2567 D. 2587
Determine the solution set of the inequality from the given graph.x2 + 4x < 2x + 8 
x-intercepts: (-4, 0), (2, 0)
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