If q is inversely proportional to r squared and q=30 when r=3, find r when q=1.2

Find the area of an equilateral triangle with a side of 6 inches

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

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?