Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, tan ? > 0Find cos 
.
A. 
B. 
C. 
D. 
Answer: B
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Find the volume of the figure. If necessary, round the answer to the nearest whole number.
A. 420 m3 B. 29,400 m3 C. 1319 m3 D. 1260 m3
Provide an appropriate response."Interest earned on interest" is another way of saying:
A. simple interest B. compound discount C. simple discount D. compound interest
Solve the problem.How many distinct triangles are determined by 7 points lying on a circle, where the vertices of each triangle are chosen from the 7 points ?
A. 35 B. 840 C. 21 D. 210
Solve the problem.The radiator in a certain make of car needs to contain 
of 40% antifreeze. The radiator now contains 
of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?
A. 20 L B. 25 L C. 16.7 L D. 12.5 L