X + y = 12 x - y = 10, the value of the x-determinant for the system shown is -2. Solution: determinant = (1*-1) - (1*1) = -2.
Answer:
A) stratified
Explanation:
Total call including 6500 'yes' and 4100 'no' are 10600 and on each call there was a fifty cent charge. Total charge becomes 5300 $ so this is very straight forward data. And from this test two types of classes are made with cleared population in each class and such cleared population division is example of stratified sampling so this is right answer.
Slavery is a constitutional issue that caused partisan conflicts before the Civil War.
Given that constitutional issue contributed to sectional conflict before the civil war.
Because this constitutional issue contributed to the pre-civil war partial conflict. We are obligated to name constitutional issues. The Civil War was essentially a war within the United States, fought between the United States and the Confederacy. The issue that caused the partial conflict before the Civil War was slavery. Slavery is basically the state of being enslaved, held or possessed as property or property.
Hence the constitutional issue that caused the partial conflict before the Civil War is the issue of slavery.
Learn more about slavery at brainly.com/question/567921
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