Solve.Frank can type a report in 4 hours and James takes 7 hours. How long will it take the two of them typing together?
A. 
hr
B. 7 hr
C. 
hr
D. 
hr
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Find the probability of the event.If a single die is tossed once, find the probability of the following event.A 5 or a 1 or a 3
A. 9
B. 
C. 
D. 
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Provide an appropriate response.The hundredths position is to the right of the tenths position.
A. True B. False
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Factor the perfect square trinomial.x2 - 20x + 400
A. (x + 20)2 B. (x + 20)(x - 20) C. (x - 20)2 D. prime
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