X>3 is the proper setup for this sentence.
Answer:
See if this will help,
https://www.pmschools.org/site/handlers/filedownload.ashx?moduleinstanceid=701&dataid=3612&FileName=2015%20triangle%20proofs%20answers.pdf
im pretty sure you dont need exponents for this bud
3x-x-4x+4x
2x+0
2x
X=45y
x is distance and y is the time the car goes 45 miles per hour so distance equals 45 times time
We need the articles firsttT
