Graph the system of inequalities.4x - y ? 8x + 2y ? 6
A. 
B. 
C. 
D. 
Answer: A
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Provide an appropriate response.Use a graphing calculator to choose the equation which corresponds to the graph.
A. y = 2x - 2 B. y = 2x C. y = -2x D. y = -2x - 2
Solve.Find the union: {-4, -2, 3, 5} ? {3, 5, 7}.
A. {3, 5, 7} B. {-4, -2, 3, 5, 7} C. {-4, -2, 3, 5} D. {3, 5}
Solve the problem. Round to the nearest tenth unless indicated otherwise.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of src="https://sciemce.com/media/4/ppg__refe0512191816__f1q57g4.jpg" alt="" style="vertical-align: -4.0px;" /> at 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
Round your answer to the nearest pound of force.
A. 20,962 lb
B. 21,664 lb
C. 21,126 lb
D. 21,094 lb
Multiply or divide as indicated. Write the answer in lowest terms.7
÷ 
A. 1
B.
| 54? |
C. 49
D. 12