Find A-1 if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Answer: C
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Solve.One ticket won a prize of $7,752,000. The winning ticket was purchased by 24 people who had pooled their money. Find how many dollars each person receives if they each receive an equal share.
A. $323,000 B. $32,300 C. $32,400 D. $322,000
Solve the problem.In the formula A = Iekt, A is the amount of radioactive material remaining from an initial amount I 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 0.225% annually. Determine the half-life of this isotope, to the nearest year.
A. 3 yr B. 308 yr C. 134 yr D. 222 yr
Evaluate the given binomial coefficient.
A. 20 B. 10 C. 120 D. 40
Use an analytic method to solve the equation.
= 2
A. 
B. 
C. 
D. ?