Solve the linear equation.-8b + 7 + 6b = -3b + 12
A. -12
B. 5
C. -7
D. 12
Answer: B
Mathematics
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Solve the problem.The concentration of a certain drug in the bloodstream x hr after being administered is approximately 
Use the differential to approximate the change in concentration as x changes from 1 to 1.47.
A. 0.64 B. 0.2 C. 0.3 D. 0.29
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Find the area of the geometric figure.Parallelogram
7 dm
A. 51
sq dm
B. 25
sq dm
C. 11
sq dm
D. 12
sq dm
Mathematics
Provide an appropriate response.Determine if the following statement is true or false. Explain your answer.For every real number x, x < 0 ? x2 < 0.
What will be an ideal response?
Mathematics
Find the area. Use 3.14 for ? and round to the nearest hundredth as appropriate. 
A. 1076.09 in2 B. 1249.19 in2 C. Not enough data D. 729.91 in2
Mathematics