The purpose of this task is for students to solve a mathematical problem using points in the coordinate plane. This task also helps lay the foundation for understanding operations on signed numbers without formally introducing those notions, which are not expected until 7th grade (see 7.NS.1).
Theresa Ann Lane Haggard is around 56 years old. She was 33 in 1993 when she married Merle, who was 56 then (born April 6, 1937). She was his 5th wife.
Eventually, the 21-year-old reality star explained, her daughter will need a wheelchair. Aliannah and her twin sister Aleeah are Leah's children from her marriage to Corey Simms, whom she divorced in 2011, according to E! News. Leah and husband Jeremy Calvert welcomed daughter Addalynn last February. The new season of  Teen Mom 2 , which premiered yesterday, will focus on Aliannah's diagnosis.