Triangle ABC and triangle TRS are similar. What is the measure of side RS?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

Me find the value of x each figure.

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?