5m+8h^2 -6th grade math

Give all possible names for each angle shown.calculation tip: in angle abc, b is the vertex.

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?

What is the rate for one gallon of gasoline