Write an inequality using the variable x that corresponds to the set graphed on the number line.
A. -3 ? x < 1
B. -3 < x < 1
C. -3 < x ? 1
D. -3 ? x ? 1
Answer: A
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Write the expression in lowest terms.
A. -a + r B. a + r C. -a - r D. -1
Provide an appropriate response.A good statistical indicator to avoid the distortion of extreme values is the:
A. mean B. mode C. median D. weighted mean
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.-
A. Irrational, -17.321 B. Not a real number C. Rational, 150 D. Irrational, 17.321
Find the center of mass of the lamina bounded by the graphs of the equations src="https://sciemce.com/media/2/ppg__cognero__Section_14.4__media__92f80083-4eb2-4778-a9e2-c09ccd4d51f7.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_98594823db034da3ba8a0aeb6" /> for the density 
, 
, 
and 
.
?
A. 
B. ?
C. ?
D. ?
E. ?