1) Elizabeth is running toward school twice as fast as her brother. If her brother is running at 2 meters per second, how much time will it take Elizabeth to run 44 meters? 1) Write your answer as a whole number.

17. Without using a calculator evaluate. 18. The lengths of three wires were \( 30 \mathrm{~m}, 36 \mathrm{~m} \) and 84 m . Pieces of wire of equal lenght were cat from the three wires. Calculate the least number of pieces obtained.

Express 1728 and 2025 in terms of their prime factors. Hence evaluate \( \frac{\sqrt[3]{1728}}{\sqrt{2025}} \)

Convert 60 to 80 degrees Fahrenheit to degrees Celsius.

На прополку \( \frac{2}{9} \) поля необходимо 5 дней. Определи, какую часть поля пропалывают за 1 день.

a. \( \frac{1}{4} \cdot \frac{3}{4}= \)