Simplify.The area of the vertical faces of a rectangular solid with height h and base edges l and b can be expressed as 
Write this formula without parentheses and without multiplication signs.
A. A = 2hl + 2hb
B. A = 2hlb
C. A = 2h + lb
D. A = 2hl + b
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Find an equation of the parabola described.Focus at (22, 0); directrix the line x = -22
A. y2 = 22x B. x2 = 88y C. y2 = 88x D. y2 = -88x
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b = 6.9, c = 10.1, and C = 58ø. Using the Law of Sines, find angles A and B.
a. A = 35.41ø, B = 51.59ø b. A = 62.09ø, B = 71.59ø c. A = 51.30ø, B = 36.63ø d. A = 73.62ø, B = 16.38ø e. A = 86.59ø, B = 35.41ø
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Find the logarithm using the change-of-base formula.log8 51.92
A. 0.5265 B. 1.7153 C. 6.4900 D. 1.8994
Mathematics