Solve the problem.Two numbers total -2, and their difference is 16. Find the two numbers.

A. -2 and 2
B. 0 and - 2
C. 7 and - 9
D. - 1 and - 17


Answer: C

Mathematics

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Solve the problem.Find the derivative of the function    at the point    in the direction in which the function decreases most rapidly.

A. -6 B. -21 C. -14 D. -7

Mathematics

Rewrite the fractions as equivalent fractions with the LCD. and ; 45

A.  and 
B.  and 
C.  and 
D.  and 

Mathematics

Solve the system. +  =  -  = - 

A.
B. {(-5, 7)}
C. {(-7, 5)}
D. {(5, -7)}

Mathematics

Find the product.-5n7(9n7 - 5n4)

A. -45n14 - 25n11 B. -45n14 + 25n11 C. -45n2 + 25n  D. -45n14 - 5n4

Mathematics