What is the legnth of side s of the square shown below 45 degerees

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

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?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5