Use reference angles to find the exact value of the expression. Do not use a calculator.cot 570°
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Use the present value formula to solve the problem.Find the present value of $30,000 if interest is paid at a rate of 8.5% compounded quarterly for 17 years. Round to the nearest cent.
A. $123,511.51 B. $125,343.55 C. $7286.77 D. $7180.27
Mathematics
Solve the triangle.a = 6, b = 8, C = 70°
A. c = 6.3, A = 28.6°, B = 81.4° B. c = 9, A = 52.8°, B = 57.2° C. c = 10, A = 56.9°, B = 53.1° D. c = 8.2, A = 43.5°, B = 66.5°
Mathematics
Find fraction notation and simplify.8.05%
A. 
B. 
C. 
D. 
Mathematics
Rewrite the rational expression as an equivalent rational expression with the given denominator.
= 
A. 
B. 
C. 
D. 
Mathematics