Factor.100m2 - 49n2
A. (10m - 7n)(10m + 7n)
B. (10m - 7n)2
C. (7m - 10n)(7m + 10n)
D. (10m - 7)(10m + 7)
Answer: A
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Find the common logarithm to four decimal places.log 45
A. 1.1532 B. 1.6532 C. 4.3067 D. 3.8067
Add.(-0.1) + (-2.8) + (-0.5)
A. 2.2 B. 3.2 C. -3.4 D. 2.4
Consider the sets
?
?
Which of the sets are equivalent?
What will be an ideal response?
Solve the problem.Mike, Joe, and Bill are painting a fence. The painting can be finished if Mike and Joe work together for 4 hours and Bill works alone for 2 hours or if Mike and Joe work together for 2 hours and Bill works alone for 5 hours, or if Mike works alone for 6 hours, Joe works alone for 2 hours, and Bill works alone for 1 hour. How much time does it take for each man working alone to complete the painting?
A. Mike 8 hr, Joe 8 hr, Bill 16 hr B. Mike 16 hr, Joe 8 hr, Bill 8 hr C. Mike 8 hr, Joe 16 hr, Bill 8 hr D. Mike 12 hr, Joe 10 hr, Bill 10 hr