Translate to a system of two equations, then solve.If a plane can travel 230 miles per hour with the wind and only 170 miles per hour against the wind, find the speed of the wind and the speed of the plane in still air.
A. Plane: 30 mph, wind: 200 mph
B. Plane: 200 mph, wind: 30 mph
C. Plane: 200 mph, wind: 40 mph
D. Plane: 300 mph, wind: 30 mph
Answer: B
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For the function represented in the graph, determine the domain or range, as requested.Find the domain.
A. {-4, -3, -2, -1, 0, 1, 2, 3} B. {x? -4 ? x ? 4} C. {-5, -4, -3, -2, -1, 0, 1, 2, 3} D. {x? -1 ? x ? 1}
Solve the problem.A car wheel has a 16-inch radius. Through what angle (to the nearest tenth of a degree) does the wheel turn when the car rolls forward 5 ft?
A. 219.9° B. 214.9° C. 224.9° D. 229.9°
The following spinner is used to play a board game. Expressing your answer as a fraction in simplest form, what is the probability that the spinner will land on the specified place? 
Find the probability that the spinner points toward a grey area.
A. 
B. 1
C. 
D. 
Graph the function.f(x) = 
A. 
B. 
C. 
D. 