What type of mixture is 500 grams of silver combined with gold

Of the 168 hours in a week as a full time student you should spend how many hours per week on school work?

Arecipe calls for 2 cups of flour to make a cake. you look in the stock room and see a bag of flour that has a tag that says this bag contains 25 cups of flour. how many complete cakes could you make from this bag of flour?

It takes longer to fly an airplane against a with it