15 points

the percent of the observations that are classified as outliers by the 1.5 x iqr rule is the same in any normal distribution. what is the percent?

only need with question 66

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39