a 95% confidence interval for difference in proportions p1-p2 if the sample have n1= 30 with p1 =0.72 amd n2 =100 with p2= 0.58 and the standar error is SE= 0.10

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

The longer leg of a 30-60-90 trangle is 18