Simplify the expression.
A. 16
B. -4
C. -16
D. 4
Answer: B
Mathematics
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Provide an appropriate response.If a < b, is it always true that 
> 
? Explain.
What will be an ideal response?
Mathematics
Simplify the expression.
A. 6
B. 30
C. 6
D. 10
Mathematics
Find the perimeter of the rectangle or square.Length = 163 mm, width = 85 mm
A. 13,855 mm B. 248 mm C. 27,710 mm D. 496 mm
Mathematics
Solve the problem.Roberto invested some money at 7%, and then invested $5000 more than twice this amount at 9%. His total annual income from the two investments was $3700. How much was invested at 9%?
A. $3100 B. $15,000 C. $26,000 D. $31,000
Mathematics