Provide an appropriate response.A formula for the focal length of a lens isf = Calculate f (the focal length) for a = 14 cm and b = 9 cm. Round to the nearest tenth.

A. 7.0 cm
B. 8.5 cm
C. 4.5 cm
D. 5.5 cm

Answer: D

Mathematics

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Provide an appropriate response.Let G be the sphere x2 + y2 + z2 = 9. Evaluate the integral.

A. 324? B. 648? C. 108? D. 216?

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Write the given decimal as an infinite series, then find the sum of the series, and finally, use the result to write the decimal as a ratio of two integers.0.44444 . . .

A.  
B.  
C.
D.  

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From the data taken from the curve in the graph below, calculate RD when Vf = 7.0 V.


a. 1140 ohms
b. 875 ohms
c. 600 ohms
d. 525 ohms
e. 500 ohms

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Factor out the GCF from the polynomial.12x4 + 17x6

A. 12(x4 + 204)
B. x4(1 + 17x2)
C. x4(12 + 17x2)
D. 12x4

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