Find all solutions of the equation in the complex number system.x2 - 6x + 9 = -16
A. {3 - 4i}
B. {3 + 4i}
C. ?
D. {3 + 4i, 3 - 4i}
Answer: D
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Solve the problem.The formula v = 
can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in an accident and its skid marks measure 45 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 40 mph B. 35 mph C. 25 mph D. 30 mph
Match the system of inequalities with the appropriate graph.3x - 2y ? 6 x - 1 ? 0
A. 
B. 
C. 
D. 
Solve the problem.Noah and Ben are running in the Walker Street Fun Run. Noah runs at 7 mph, Ben at 5 mph. If they start at the same time, how long (in minutes) will it be before they are 
mile apart?
A. 10 min B. 6 min C. 24 min D. 150 min
Solve the SSA triangle. Indicate whether the given measurements result in no triangle, one triangle, or two triangles. Solve the resulting triangle. Round angle measures to the nearest degree and lengths to the nearest tenth when necessary.A = 30°, a = 23, b = 46
A. B = 90°, C = 60°, c = 39.8 B. B = 60°, C = 90°, c = 39.8 C. No triangle exists. D. B = 60°, C = 60°, c = 39.8