Add. Simplify, if possible. + 

A.  + 
B.
C.
D.


Answer: C

Mathematics

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State how many peaks you would expect for the distribution described.Speeds of everyone traveling on a country road, including cyclists and motorists

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Choose the best answer.The mass of a bicycle helmet is about how much?

A. 271 milligrams B. 271 metric tonnes C. 271 kilograms D. 271 grams

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Find the exact value of the expression.cos  cos  - sin  sin 

A. 0
B. 1
C. -1
D.

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Convert to scientific notation.1,018,000,000,000,000

A. 1018 × 1012 B. 1.018 × 1015 C. 1018 × 10-12 D. 1.018 × 10-15

Mathematics