13. Find 3 fractions that are equivalent to 2/3. Explain how you found your answers​

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

The tile along the edge of a triangular community pool needs to be replaced? ?