Simplify the expression.-32-4/5

A. -16
B. 16
C.
D. - 


Answer: D

Mathematics

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Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°

A.
B.
C. - 
D. - 

Mathematics

Let . Find the rule for the function 

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?

A.
B.
C.
D.
E.

Mathematics

Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.3n2 = -10n - 2

A.  ? -0.107,  ? -1.560
B.  ? -1.880,  ? -4.786
C.  ? 0.189,  ? -3.523
D.  ? -0.214,  ? -3.120

Mathematics

Solve the equation.5.34 - 4.8x - 1.3x = 24.86

A. x = 4.2 B. x = 7.1 C. x = -4.95 D. x = -3.2

Mathematics