Classify the statement as an example of theoretical or experimental probability.The probability of at least two tails when three coins are tossed is 
.
A. theoretical
B. experimental
Answer: A
Mathematics
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Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. y ? x + 2 y ? 2x + 5 B. y ? -x + 2 y ? -2x + 5 C. y ? x + 2 y ? 2x + 5 D. y ? -x + 2 y ? -2x + 5
Mathematics
Solve the linear equation.10a + 4 = 9a + 6
A. {2} B. {10} C. {-10} D. {-2}
Mathematics
Solve the problem.Susan has been working on a job that will require 45 hours to complete. If she has completed 
of the job, how many hours has she worked?
A. 40 hours
B. 20 hours
C. 5 hours
D. 4
hours
Mathematics
Solve.- 
x = 
A. - 1
B. - 
C. - 
D. 
Mathematics