Writing a Two-Column Proof Given ABCDEF and Angles Reasons Prove: m ABC = MZGHI ZABO ZDEF 2 GHỊ MLABC MAGHI Statements Reasons

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

What is the absolute value of the complex number -4-sqrt2i