Find the probability.A lottery game has balls numbered 1 through 21. What is the probability of selecting an even numbered ball or a 4?
A. 
B. 
C. 10
D. 
Answer: D
Mathematics
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Solve.Frank can type a report in 3 hours and James takes 4 hours. How long will it take the two of them typing together?
A. 4 hr
B. 
hr
C. 
hr
D. 12 hr
Mathematics
Provide the proper response.Explain in your own words how you can tell from the equation whether the branches of a hyperbola open up and down or left and right.
What will be an ideal response?
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log
A. -10x B. log x -1 C. log x + 1 D. 10x
Mathematics
Convert to scientific notation.0.00000018309
A. 1.8309 × 106 B. 1.8309 × 107 C. 1.8309 × 10-6 D. 1.8309 × 10-7
Mathematics