Solve the inequality. Write the solution set in interval notation.5(7x + 1) - 5 < 7(5x - 8) + 8
A. (-?, -48)
B. (-?, ?)
C. 
D. ?
Answer: D
Mathematics
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Solve the problem.The function f(x) = 200(0.5)x/90 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault after 
Round to the nearest whole number.
A. 225 pounds B. 147 pounds C. 42 pounds D. 44 pounds
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A. -10 B. -100 C. 100 D. 10
Mathematics
Provide an appropriate response.If a ? b, is it always true that -6a ? -6b? Explain.
What will be an ideal response?
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