Find the probability.A bag contains 3 blue marbles, 7 green marbles, and 5 red marbles. One marble is drawn from the bag. What is the probability that the marble drawn is not blue?

A.
B. 4
C.
D.


Answer: D

Mathematics

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Sketch the graph and show all local extrema and inflection points.y = -x4 + 2x2 - 7

A. Absolute maxima: (-1, -6), (1, -6)
Local minimum: (0, -7)
No inflection points


B. Absolute minima: (-1, 6), (1, 6)
Local maximum: (0, 7)
Inflection point: 


C. Absolute maxima: (-1, -6), (1, -6)
Inflection points: 


D. Absolute maxima: (-1, -6), (1, -6)
Local minimum: (0, -7)
Inflection points: 


Mathematics

Find the difference. Check by adding.565 - 44

A. 513 B. 521 C. 421 D. 609

Mathematics

Find a rectangular equation for the curve and describe the curve.x = , y = t; -4 ? t ? 4

A. x = ; portion of a circle with radius 4
B. x = ; circle with radius 4
C. y = x2 - 16; portion of a parabola
D. y = -x2 + 16; portion of a parabola

Mathematics

Write the mixed number as an improper fraction.5

A.
B.
C.
D.

Mathematics