Simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Rationalize the denominator.
A. 
B. 41
C. 
D. 5
Mathematics
If s represents the displacement and t represents the time for an object moving with rectilinear motion according to the given function, find the instantaneous velocity for the given time.s = 3.8t3 + 4.2t2 + 3.2t + 2.2; t = 2.2
A. 79.056 B. 36.68 C. 48.96 D. 76.856
Mathematics
Identify the angles that are congruent.
A. ?AOB ? ?AOD; ?BOC ? ?COD B. ?AOD ? ?COD; ?AOB ? ?BOC C. ?AOD ? ?BOC; ?AOB ? ?COD D. ?AOC ? ?COA; ?BOD ? ?DOB
Mathematics
Use the properties of equality to solve the equation.
A. 
B. 
C. 
D. 
E. none of these
Mathematics