Solve.
+ 4 = 9
A. 1
B. 25
C. 5
D. 
Answer: C
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 3 for r(t) = (7t - 3t4)i + (10 - t)j + (8t2 - 6t)k
A. a(3) = -81i + 16k B. a(3) = -324i - j + 16k C. a(3) = 324i + 16k D. a(3) = -324i + 16k
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Solve the problem.The frequency distribution indicates the test averages of a group of 336 students. Construct a histogram for this data.
A. 
B. 
C. 
D. 
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Find the perimeter of the figure.
A. 113 m B. 95 m C. 100 m D. 84 m
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Use the properties of equality to solve the equation.
n = 8
A. 
B. 18
C. 
D. 
Mathematics