Solve the problem.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone? Round to the nearest tenth, if necessary.
A. Paul: 8 hr; Ron: 10 hr
B. Paul: 10 hr; Ron: 12 hr
C. Paul: 8.3 hr; Ron: 10.3 hr
D. Paul: 9.1 hr; Ron: 11.1 hr
Answer: D
Mathematics
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Add.-3.7 + (-19.2)
A. -15.5 B. -22.9 C. 15.5 D. 22.9
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Find the value of the expression using the given values.yx?x = -3, y = 3
A. - 
B. 
C. 27
D. -27
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Determine the truth value of the given statement.
?
Let 
and 
.
?
either p or q
?
A. False B. True
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
-4
A. 6561 B. 729 C. -6561 D. -729
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