Solve for the indicated variable.8k + ar = r - 5y, for r
A. r = 
B. r = 
C. r = 
D. r = 
Answer: D
Mathematics
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Solve the problem. Give the answer to the nearest thousandth if necessary.A boat travels 3 miles south and then 10 miles east. How far is the boat from its starting point? 
East --10 mi-->
A. 54.5 mi B. 5.22 mi C. 6.5 mi D. 10.44 mi
Mathematics
Provide an appropriate response.Bell's Amusement Park expected 12,000 guests on July 4. By noon 1500 guests were already present. The percent of expected guests already in the park was 12%.
A. True B. False
Mathematics
Multiply by powers of 10.21.125 × 10
A. 2.1125 B. 2112.5 C. 21.1250 D. 211.25
Mathematics
Use the unit circle to determine the value of the given expression or state that it is undefined.sin (9?)
A. undefined B. 1 C. 0 D. -1
Mathematics