Simplify.Evaluate. 5-4
A. -625
B. 
C. 625
D. 
Answer: D
Mathematics
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Solve. Write the solution set using set-builder notation and using interval notation. Graph the solution set. a - 10 < -21
A. {a
a > -11}; (-11, ?)
B. {a
a ? -11}; [-11, ?)
C. {a
a < -11}; (-?, -11)
D. {a
a ? -11}; (-?, -11]
Mathematics
Solve.6x2/5 + 11x1/5 + 4 = 0
A. - 
, - 
B. 
, 
C. - 
, - 
D. 3, 2
Mathematics
Determine whether the study is an experiment or an observational study.A pollster obtains a sample of students and asks them how they will vote on an upcoming referendum.
A. experiment B. observational study
Mathematics
Solve the equation.(3x + 5)1/3 = -2
A. 
B. 
C. 
D. 
Mathematics