Solve the problem.How many different 4-letter radio-station call letters can be made if the first letter must be K or W, repeats are allowed, but the call letters cannot end in an O?
A. 35,152
B. 456,976
C. 33,800
D. 16,900
Answer: C
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The following table shows the length L, in meters, of the winning long jump in the Olympics t years after 1900. t 0 4 8 12 L 7.19 7.34 7.48 7.60? ? A: Find the equation of the regression line.B: Plot the data along with the regression line.C: Explain in practical terms the meaning of the slope of the regression line.D: Would you expect this model to apply over an indefinite period of time? Explain the reasoning behind your answer.
What will be an ideal response?
Simplify.
A. -y
B. 
C. 
D. 
Solve the problem.A ball is dropped from 346 feet. If it rebounds 1/3 of the height from which it falls every time it hits the ground, how far will it have traveled in a downward direction when it hits the ground for the fifth time? Round your answer to the nearest tenth of a foot.
A. 522.0 feet B. 527.0 feet C. 510.5 feet D. 516.9 feet
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x4 - 45x2 - 196; x - 14
A. Yes B. No