Multiply. Simplify, if possible.4(0.4)(5)

A. -80
B. 80
C. -8
D. 8


Answer: D

Mathematics

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Find the derivative.y = 

A. (6x + 5)3/2
B.  - 
C.
D.

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Round the number as indicated.537 to the nearest hundred

A. 600 B. 510 C. 500 D. 400

Mathematics

Find the reciprocal.4

A.
B.
C. 1
D. 4

Mathematics

Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.  x + 3y = -8-14x - 4y = -2

A. (-3, 1) B. (1, -3) C. (-1, 3) D. (3, -1)

Mathematics