exam Maths Puzzle Numerical Ability

-3(4x+3)+4(6x+1)=43

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exam Other Question

please someone show me how can i solve the following system of linear inequalities by graphing.
x - 2y  4
x  4
. (a) How does correlation analysis differ from regression analysis? (b) What does a correlation

coefficient reveal? (c) State the quick rule for a significant correlation and e