It’s a right angle and trigonometry question on Kahn academy

Can't gugys answer the ratio question. this is urgent the plans of a building is drawn toward scale of 1: 1000. kfc the foyer on the plans measures 62mm by 54mm, how large is the foyer in real life?

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.

What is the volume if this rectangular prism: 5/2 cm by 3/4 cm by 1/3 cm