It would be 7:9 because if you divide each side by 4 then you can get it in simplest form
Divide both the numerator and denominator by the GCD so it’s 12/1
N= P-180. so the computer would originally be 720 dollars. reduced by 25%, or 180, the new price is 540.
Answer:the 2nd one is 30000 divided by 2000 is 15
Step-by-step explanation: so 15 minutes til they crash the plane
Answer:
Expand 
Step-by-step explanation:

Apply the distributive law: 


Apply minus - plus rules:


Multiply the numbers: 

Hope this helps! If so, may I get Brainliest and a Thanks?
Thank you, have a good one! =)