16年で何日ですか？あなたの答えを説明してください。

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Write a similarity statement for the similar triangles. afgh ~ a