Evaluate.(-13)(19)

A. 234
B. -266
C. -234
D. -247


Answer: D

Mathematics

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Solve the problem.A survey of 280 families showed that107 had a dog;82 had a cat;37 had a dog and a cat;105 had neither a cat nor a dog nor a parakeet;9 had a cat and dog and a parakeet.How many had a parakeet only?

A. 38 B. 23 C. 28 D. 33

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Find the missing angle or angles.

A. 160° B. 151° C. 141° D. 133°

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Provide an appropriate response.Rationalize the denominator and simplify: 

What will be an ideal response?

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The problem that follows refers to triangle ABC. ? If  and  cm, find C and a. ? Apply the rules regarding the use of significant digits after all computations are complete. ?

A.  cm
B.  cm
C.  cm
D.  cm
E.  cm

Mathematics