Find the probability.Suppose we select, without looking, one marble from a bag containing 8 red marbles, 2 blue marbles, and 7 green marbles. What is the probability of choosing a yellow marble?

A.
B.
C.
D. 0


Answer: D

Mathematics

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Find Dxy.y = sinh-1 (cos x)

A. - 
B. - 
C.  
D. - sin x

Mathematics

Find the exact value of y, or state that y is undefined.y = cos-1 

A.
B. - 
C.
D.

Mathematics

Solve.Find the area of the top of the table. Express the area as a product, then multiply and simplify. 

A. (9x2 - 16) sq in. B. (9x2 - 24x - 16) sq in. C. (9x2 + 24x - 16) sq in. D. (x2 - 16) sq in.

Mathematics

Simplify.3 ? 10 + 11 ? 7

A. 287 B. 261 C. 441 D. 107

Mathematics