Solve area problem.A rubber ice-hockey puck has a 3.4 in. diameter. What is the area of one flat surface?(Use 3.1 4 for ? .)
A. 36.2984 in.2
B. 4.5373 in.2
C. 10.676 in.2
D. 9.0746 in.2
Answer: D
Mathematics
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Solve the system using substitution.
A. (-4, 0) B. (-3, -4) C. (4, -1) D. empty set; inconsistent system
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Find the quotient 
of the complex numbers. Leave answer in polar form.z1 = 
z2 = 
A. 
B. 
C. 
D. 
Mathematics
Estimate the sum or difference by rounding each number to the nearest ten.
A. 800 B. 750 C. 760 D. 756
Mathematics
Perform the indicated operation. Write the result in the form a + bi.
? 
A. 10
B. 10i
C. -10i
D. -10
Mathematics