Please help me it’s really important to me

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?