Verify that the given point lies on the graph of the unit circle. Then use symmetry to find three other points that also lie on the graph of the unit circle.
A. 
, 
, and 
B. 
, 
, and 
C. 
, 
, and 
D. 
, 
, and 
Answer: C
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Find the circumference of the circle whose radius or diameter is given. Use 
or 
as indicated. r = 105 ft. Use ? ? 3.14.
A. C ? 329.7 ft B. C ? 34,618.5 ft C. C ? 659.4 ft D. C ? 164.85 ft
The following spinner is used to play a board game. Expressing your answer as a fraction in simplest form, what is the probability that the spinner will land on the specified place? 
Find the probability that the spinner points toward a number less than 5.
A. 
B. 
C. 
D. 
Solve the problem.Tracey bought a diamond ring appraised at $1400 at an antique store. If diamonds have appreciated in value at an annual rate of 
what was the value of the ring 8 years ago? (Round your answer to the nearest dollar.)
A. $332 B. $2790 C. $681 D. $703
Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent if necessary.Allan borrowed $4900 from his father to buy a car. He repaid him after 8 months with interest of 5% per year. Find the total amount he repaid.
A. $5145.00 B. $5042.92 C. $163.33 D. $5063.33