Graph the inequality.x + y < -5
A. 
B. 
C. 
D. 
Answer: C
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Multiply. Simplify the answer completely.
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B. - 
C. 
D. - 
Find the domain of the rational expression.
A. {x|x is a real number and x ? -1 and x ? 7} B. {x|x is a real number and x ? -1} C. {x|x is a real number and x ? 7} D. {x|x is a real number}
Use a Venn diagram to find the GCF or LCM as indicated.Given 42 and 378, find the GCF.
A. 14 B. 42 C. 6 D. 21
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) = -0.0063x2 + 0.720x + 5.142 C. M(s) = -6.309x2 + 0.720x + 5.142 D. M(s) = -0.631x2 + 0.720x + 5.142