Answer:

Step-by-step explanation:
I think.
Pls give Brainliest.
Answer:
7/9 is a rational number
Step-by-step explanation:
x/y where x=7 and y=9 aand an reatinal number is something that is composed of an integer
Answer:
Step-by-step explanation:
omg its says you cant have help
5(x − 4)^2
5(x - 4)(x - 4)
5(x^2 - 8x + 16)
5x^2 - 40x + 80
Did you follow?
The third and fourth ones are correct