Simplify the difference.(3z + 5) - (z + 4)

A. 3z + 1
B. 2z + 9
C. 2z + 1
D. 3z + 9


Answer: C

Mathematics

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Use a truth table to determine whether the two statements are equivalent.p ? q and ~q ? ~p

A. Yes B. No

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Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 5i + 8j,  w = -3i + 5j

A. 179.0° B. 92.1° C. 63.0° D. 64.0°

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Find the equation of the quadratic function that has the given vertex and given point on its graph.Vertex: (3, 3) through: (2, 4)

A. P(x) = - x2 - 6x + 3 B. P(x) = x2 - 3x + 3 C. P(x) = x2 - 6x + 12 D. P(x) = 2x2 - 6x + 12

Mathematics

Evaluate the expression using the graphs of y = f(x) and y = g(x).Evaluate (fg)(1).

A. 3 B. -5 C. 6 D. 0

Mathematics