Six billion, three million, forty- one thousand sixteen in standard form

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.