Find the exact value of the expression. Do not use a calculator.cot 60° - cos 45°
A. 
B. 
C. 
D. 
Answer: C
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The speed S, in meters per second, of sound in the ocean depends on the depth D, in kilometers. (It depends on other quantities as well, but those will be ignored for this problem.) The relationship is
.
At what depth is the speed of sound 1,604.04 meters per second?
?
A. 4.18 kilometers B. 5.24 kilometers C. 28,802.68 kilometers D. 4.12 kilometers
Decide whether the statement makes sense. Explain your reasoning.Insurance policy A costs $250 and has no deductible. Insurance policy B costs $275 and has a $500 yearly deductible. Candace thinks the extra $25 per month is worth it to get the $500 deductible, so she buys policy B.
What will be an ideal response?
Rewrite the following as indicated.0.54 (Write as a percent.)
A. 54% B. 540% C. 5.4% D. 0.054%
Write the expression in radical notation.x1/8
A. 
B. 
C. x-8
D. 