Factor the following by removing a negative common factor.-35r + 28s
A. -7(5r - 4s)
B. -7(5r - 5s)
C. -35(r - s)
D. -7(5r + 4s)
Answer: A
Mathematics
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Convert the degree measure to radians, correct to four decimal places. Use 3.1416 for ?.50.97°
A. 0.8896 B. 0.9896 C. 0.6896 D. 0.7896
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Perform the indicated calculation. Express your answer using scientific notation.(15 × 10-8) ÷ (3 × 103)
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b. 
c. 
d. 
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