Write the expression as the sum or difference of single logarithms. log8
A. 
log8x + 
log8y - 
log8z
B. 
log8x ? 
log8y ÷ 2log8z
C. 
log8x + 
log8y - 2log8z
D. 7log8x + 9log8y - 2log8z
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Solve the problem.A plane flying a straight course observes a mountain at a bearing of 31.7° to the right of its course. At that time the plane is 8 kilometers from the mountain. A short time later, the bearing to the mountain becomes 41.7°. Find the distance between the plane and the mountain, to the nearest tenth of a kilometer, when the second bearing was taken.
A. 6.3 km B. 11.4 km C. 4.2 km D. 10.1 km
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Graph the function.f(x) = x2 + 
A. 
B. 
C. 
D. 
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Solve the formula for the indicated variable.PV = nRT for R
A. R = 
B. R = 
C. R = 
D. R = 
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