Evaluate: –19 – (–20)

A) –39
B) 39
C) –1
D) 1
E) –380


D) 1

Mathematics

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Solve the right triangle. If two sides are given, give angles in degrees and minutes.B = 65.4834°, c = 3,261.4 mGive side lengths to two decimal places.

A. A = 24.5166°; a = 1,353.34 m; b = 2,921.97 m B. A = 24.5166°; a = 1,353.34 m; b = 2,967.36 m C. A = 24.5166°; a = 1,276.84 m; b = 2,952.06 m D. A = 24.5166°; a = 1,406.64 m; b = 2,967.36 m

Mathematics

Use the graph of the rational function f(x) to complete the statement.As x?2+, f(x)? 

A. -? B. 2 C. +? D. 0

Mathematics

Identify which of the graphs could be the graph of a polynomial function.f(x) = 5x - x3 - x5

A.

B.

C.

D.

Mathematics

Factor by grouping. If prime, so state.x3 - 7x2 + 3x - 21

A. (x + 7)(x2 + 3) B. (x - 7)(x2 + 3) C. (x - 7)(x2 + 7) D. (x - 21)(x2 - 7x + 3)

Mathematics