Write the expression in the standard form a + bi.

A. 6 + 5i
B. 6 - 5i
C. -5 + 6i
D. -5 - 6i


Answer: B

Mathematics

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Evaluate the derivative at the given value of x.y = ; x = 3

A. 2
B.
C. - 
D. - 

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Provide an appropriate response.The amount an asset decreases in value from its original cost is called its depreciation.

A. True B. False

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Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.-8.131 + (-14.69)round each to the nearest one

A. Estimate: -23; Actual: -22.2 B. Estimate: -22; Actual: -22.821 C. Estimate: -22; Actual: -22.2 D. Estimate: -23; Actual: -22.821

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Find the volume of the sphere satisfying the given condition. Approximate values to the nearest tenth.radius = 0.55 m

A. 1.3 m3  B. 0.4 m3  C. 5.6 m3 D. 0.7 m3 

Mathematics