Sketch an abacus to represent the given number.12
A. 
B. 
Answer: B
Mathematics
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Solve the problem.The surface area of a cylindrical can is represented by the polynomial expression ? r2 + ? r2 + 2?rh, where h is the height of the can and r is its radius. Find a polynomial expression for the surface area of a can whose radius and height are equal.
A. 8?r2 or 8?h2 B. 16?r2 or 16?h2 C. 4?r2 or 8?h2 D. 4?r2 or 4?h2
Mathematics
Write the imaginary number in terms of i.
A. -9
B. 9i
C. 9
D. -9i
Mathematics
Calculate the area of the region bounded by the graphs of the given equations.y = 3x + 3, y = x2 + 3
A. 9
B. 
C. 18
D. 
Mathematics
State the domain of the rational function. h(x) = 
A. (-?, -10) ? (-10, 10) ? (10, ?) B. (-?, 7) ? (7, ?) C. (-?, ?) D. (-?, -8) ? (-8, 7) ? (7, ?)
Mathematics