Solve the system by the addition method.6x + y = 5-3x - 5y = -16
A. {(1, 1)}
B. 
C. 
D. 
Answer: C
Mathematics
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Find the probability of the event.A lottery game contains 21 balls numbered 1 through 21. What is the probability of choosing a ball numbered 22?
A. 
B. 21
C. 0
D. 1
Mathematics
Translate to a proportion and solve. Round to the nearest hundredth, if necessary.50 is 30% of what number?
A. 15 B. 1666.7 C. 166.67 D. 16.67
Mathematics
Provide an appropriate response.The retail method is an estimate that is based on what it cost to buy goods and what those goods will sell for.
A. True B. False
Mathematics
Use transformations to graph the function and state the domain and range.y = x2 - 1
A. D = (-?, ?), R = [- 1, ?)
B. D = (-?, ?), R = [0, ?)
C. D = (-?, ?), R = [1, ?)
D. D = (-?, ?), R = [0, ?)
Mathematics