Solve the problem.An artifact is discovered at a certain site. If it has 76% of the carbon-14 it originally contained, what is the approximate age of the artifact? (carbon-14 decays at the rate of 0.0125% annually.) (Round to the nearest year.)
A. 2195 yr
B. 1920 yr
C. 953 yr
D. 6080 yr
Answer: A
Mathematics
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Evaluate.If f(x) = x3 - 3x2 + 5x + 3, find f(-4).
A. -40 B. -129 C. 11 D. -132
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Simplify.
A. 
B. 
C. 
D. 
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Identify the domain and range of the following relation.{(15, 15), (-2, -10), (5, 9)}
A. Domain: {15, -2, 5}, range: {-10, 9} B. Domain: {15, -10, 9}, range: {15, -2, 5} C. Domain: {15, -2, 5}, range: {15, -10, 9} D. Domain: {-2, 9, 15} , range: {-10, 5, 15}
Mathematics
Determine the real solutions to the system of nonlinear equations.12x2 + 6y2 = 96y = x + 4
A. (0, 4), 
B. (0, -4), 
C. (0, -4), 
D. (0, 4), 
Mathematics