Find the value of two numbers if their sum is 12 and their difference is 4

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?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8