The confidence interval 17.12<0^ 2 <78.88, for the population variance is based on the following sample statistics n = 25 and s=5.7What is the degree of confidence?

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000