Simplify the algebraic expression.2.1(-4.3x - 2.6)
A. -9.03x - 5.46
B. 9.03x - 5.46
C. -9.03x - 2.6
D. 9.03x - 2.6
Answer: A
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A. 
B. 
C. 
D. 
Solve the equation using the square root property.(2x - 5)2 - 9 = 0
A. {1, 4} B. {-8, -2} C. {-4, -1} D. {2, 8}
Solve the problem.In the formula A(t) = A0ekt, A is the amount of radioactive material remaining from an initial amount A0 at a given time t, and k is a negative constant determined by the nature of the material. A certain radioactive isotope decays at a rate of 0.3% annually. Determine the half-life of this isotope, to the nearest year.
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Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.log 10,000
A. -4
B. 4
C. 40
D. 