Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log x = 0.5
A. 0.316
B. 31.623
C. 3.162
D. No solution
Answer: C
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Solve the problem.Which of the following statements is true?
A. A rectangle with dimensions ? by 
(where ? is the golden ratio) is its own gnomon.
B. A rectangle with dimensions 
by 
is its own gnomon.
C. A rectangle with dimensions 4 by 
is its own gnomon.
D. A rectangle with dimensions 20 by ? (where ? is the golden ratio) is its own gnomon.
E. none of these
Solve the problem.A circular hole is filled with concrete to make a footing for a load-bearing pier. The hole measures 15 inches across and requires 1.6 bags of concrete in order to fill it to ground level. What is the depth of the hole? Round your answer to the nearest inch. (One bag of concrete, when mixed with the appropriate amount of water, makes 1800 in.3 of material.)
A. 13 in. B. 20 in. C. 22 in. D. 16 in.
Simplify the expression without a calculator.
-3
A. 
B. - 
C. - 
D. 
State the real number that corresponds to the situation.On a sunny day, the water temperature in the swimming pool rises 6 degrees.
A. 6 B. -6