For the given equation, evaluate the discriminant. How many real solutions are there?3x2 + 6x - 5 = 0

A. 96; two
B. -24; none
C. -96; none
D. 0; one


Answer: A

Mathematics

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Provide an appropriate response.A tile mosaic featuring a four-sector design is used in a kitchen area. What is the shaded area of the design to the nearest hundredth for each tile?

A. 27.93 in.2 B. 6.98 in.2 C. 2.79 in.2 D. 21.93 in.2

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Solve the problem.Find the equation for the tangent plane to the surface    at the point  

A. 3x + 8y + 18z = 4 B. 3x - 8y + 9z = 29 C. 3x - 8y + 9z = 4 D. 3x + 8y + 18z = 29

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Determine the specific solutions (if any) to the equation on the interval [0, 2?).sin2 ? + sin ? = 0

A. 0, ?, 
B. 0, ?, 
C. 0, ?, 
D. 0, ?, 

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Perform the indicated operation.28.3 mm - 2.23 cm (in centimeters)

A. 6 cm B. 280.77 cm C. 26.07 cm D. 0.6 cm

Mathematics