Solve the system by graphing.2x + y = 23y = 4x + 5
A. {(17, 3)}
B. {(17, -11)}
C. {(3, 17)}
D. {(2, 13)}
Answer: C
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Determine independence. Answer Yes or No.According to a survey, 8% of students at a college are left handed, 53% are female, and 4.24% are both female and left handed. Is being left handed independent of gender?
A. Yes B. No
Solve the problem.A carousel has a radius of 17 feet and takes 35 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? If necessary, round the answer to two decimal places.
A. 3.05 ft/sec B. 0.49 ft/sec C. 106.81 ft/sec D. 12.94 ft/sec
Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. y ? -2x + 4
y ? - 
x + 2
B. y ? 2x + 4
y ? 
x + 2
C. y ? 2x + 4
y ? 
x + 2
D. y ? -2x + 4
y ? - 
x + 2