Solve.A flagpole casts a shadow of 40 ft. Nearby, a 5-ft tree casts a shadow of 2 ft. What is the height of the flag pole? Round to the nearest tenth of a foot, if necessary.
A. 400 ft
B. 0.3 ft
C. 16 ft
D. 100 ft
Answer: D
Mathematics
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Solve the logarithmic equation.log3(8x - 5) = 2
A. 
B. {6}
C. 
D. 
Mathematics
Find all values for which at least one denominator is equal to 0. Write answers using the symbol ?. Do not solve.
= 
A. x ? -9, 
B. x ? 0, -9, 
, - 
, 
C. x ? -9, 
, - 
, 
D. x ? - 
, 
Mathematics
Solve the problem.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container 5 cm on a side is 375 g, find the weight of the liquid in a cubical container 4 cm on a side.
A. 192 g B. 44 g C. 64 g D. 12 g
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. -8n B. 8n C. -2n D. 6n
Mathematics