Group the objects into classes so that all the elements within each class are topologically equivalent and no elements from different classes are topologically equivalent.A. a boltB. a brickC. a horseshoeD. a pencil
A. A; B, C and D
B. A, C and D; B
C. A, B, C, and D
D. A, B, C, and D
E. A, B and C; D
Answer: D
Mathematics
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B. f-1(x) = (x + 6)2
C. Not a one-to-one function
D. f-1(x) = 
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Give the quadrant in which the point is located.(12, -4)
A. Quadrant III B. Quadrant IV C. Quadrant I D. Quadrant II
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Use dimensional analysis and the exchange rate below to convert. Round to the nearest hundredth, if necessary. 
Convert 800 £ (Great Britain pound) to € (euros).
A. 1,242.54 € B. 533.97 € C. 515.07 € D. 829.36 €
Mathematics
Find the product.
What will be an ideal response?
Mathematics