Let a and b be positive numbers. Determine whether the statement is true or false.a(-b) is a positive number.
A. True
B. False
Answer: B
Mathematics
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Determine whether the triangles are congruent. If they are congruent, state why.
A. congruent; SAS B. congruent; ASA C. not congruent D. congruent; SSS
Mathematics
Supply the missing numbers. fraction decimal percent40%
A. 
0.4
B. 
4
C. 
4
D. 
0.4
Mathematics
First estimate the answer. Then add or subtract to find the exact answer. Write answer as a mixed number. 
A. Estimate: 5; Exact: 3
B. Estimate: 4; Exact: 3
C. Estimate: 4; Exact: 4
D. Estimate: 5; Exact: 4
Mathematics
Round the decimal to the given place value.2.884, nearest hundredth
A. 2.88 B. 2.87 C. 2.89 D. 2.884
Mathematics