Ellis's backyard has a 6.25 by 6.25m patio. She would like to build a 1.5m wide extension around 3 sides of the patio, as figure shows. She will buy a 0.25 by 0.25m tiles that come 25 to a package. How many packages does Ellis need to buy to build the extension?

Answer this question! 30 points and brainliest!

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?