Solve the problem.A carbon-14 dating test is performed on a fossil bone, and analysis finds that 15.5% of the original amount of carbon-14 is still present in the bone. Estimate the age of the fossil bone. (Recall that carbon-14 decays according to the equation A = A0e-0.000124t).
A. 1,500 years
B. 150 years
C. 15, 000 years
D. 15,035 years
Answer: D
Mathematics
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Solve the equation.
y - 1 = 7
A. -32 B. 32 C. -34 D. 34
Mathematics
Find an equation of the hyperbola.Vertices at (2, 0), (-2, 0); foci at (4, 0), (-4, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Simplify the expression.8a - 6a + 2
A. 2a + 2 B. 4a C. 14a + 2 D. -2a + 2
Mathematics
Solve for x, if 
. Write your answers in exact values only.
?
What will be an ideal response?
Mathematics