Solve the problem.The amount of a radioactive substance present, in grams, at time t in months is given by the formula 
Find the number of grams present in 3 years. If necessary, round to three decimal places.
A. 3958.524 grams
B. 4.081 grams
C. 395.852 grams
D. 40.807 grams
Answer: D
Mathematics
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Solve the problem.A ship sails as shown in the diagram. Find its displacement from its original position.
A. R = 227 km, ? = 378.5° B. R = 77.9 km, ? = 144.8° C. R = 26.1 km, ? = 324.8° D. R = 227 km, ? = 198.5°
Mathematics
Solve the triangle.a = 8, b = 14, c = 16
A. A = 32°, B = 59°, C = 89° B. A = 30°, B = 61°, C = 89° C. A = 28°, B = 61°, C = 91° D. no triangle
Mathematics
Graph the solution of the system.3x - 2y ? -6 x - 1 < 0
A. 
B. 
C. 
D. 
Mathematics
Simplify.(-3)2 - 72
A. 40 B. -40 C. 58 D. -20
Mathematics