Solve the inequality. Write the solution set in interval notation.(x + 8)(x + 6)(x - 9) > 0
A. (-8, -6) ? (9, ?)
B. (-?, -8) ? (-6, 9)
C. (-?, -6)
D. (9, ?)
Answer: A
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Find the values that make the equation true.
= 
A. a = -3, x = -3 B. a = 4, x = -3 C. a = -3, x = 4 D. a = 4, x = 4
Use a graphing calculator to plot the data and find the quadratic function of best fit.An engineer collects data showing the speed s of a given car model and its average miles per gallon M. Use a graphing calculator to plot the scatter diagram. What is the quadratic function of best fit?
A. M(s) = 0.063x2 + 0.720x + 5.142 B. M(s) = -6.309x2 + 0.720x + 5.142 C. M(s) = -0.631x2 + 0.720x + 5.142 D. M(s) = -0.0063x2 + 0.720x + 5.142
Perform the indicated operation.
? 
A. 
B. - 
C. - 
D. 
Solve. Remember to insert units when writing your answer.A bottle weighs 265 grams. Find the weight in kilograms of 48 bottles.
A. 12,720,000 kg B. 127.2 kg C. 12,720 kg D. 12.72 kg