Simplify the expression.
A. 
B. 
C. 
D. 
Answer: C
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Solve the equation. If the equation has no real solution, so state.
- 3 = 
A. No solution B. x = -5 C. x = 25 D. x = -25
Solve the problem.Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is P = P0 e-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.
A. 4.50 years B. 450.25 years C. 45.03 years. D. 40.50 years
State a sample space S with equally likely outcomes for the given experiment.A lottery uses balls numbered 1 through 35. List the sample space of the event picking one even-numbered ball.
A. S = {2, 4, 6, ... 34} B. S = {1, 2, 3, ... 35} C. S = {2} D. S = {34}
Find the perimeter.
A. 9.4 m B. 6.1 m C. 8.9 m D. 12.2 m