Add and simplify. + 

A.  
B.  
C.  
D.  


Answer: B

Mathematics

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Provide an appropriate response.Solve the system for x and y, expressing either value in terms of a or b, if necessary. Assume that a ? 0 and b ? 0. 

A.
B.
C.
D.

Mathematics

Complete.14 yd =  ft

A. 168 B. 504 C. 126 D. 42

Mathematics

Multiply.3700 ? 800

A. 2,959,000 B. 2,959,501 C. 2,961,000 D. 2,960,000

Mathematics

Find the center and radius of the circle.x2 + 8x + y2 = 10y

A. (4, -5); 
B. (-4, 5); 
C. (4, 5); 6
D. (4, 4); 3

Mathematics