On his first five math tests colin receive the following scores: 82,90,93,62,and 81. what test score must : burn on his six test so that his average for all six of us 80?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Identify the number as a rational or irrational.explain. 127

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?