Atable top is covered with 12 squares of equal size if the side of the square is 5 cm then find the area of the table top

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

What is the product? a-3/15a × 5/a-3