PL HELP ITS DO NOW Trina uses One-half cup of sugar and Three-fourths cup of flour in a recipe. How many cups of sugar would she need if she uses 3 cups of flour?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Aline that intersects one of two parallel lines intersects the other also always sometimes never

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?