Answer:
0
Step-by-step explanation:
y-intercept is 0
because well you first have to put it in y=mx+b form, after you do that you have -y=0-x and you can't have a -y so you divide by -1 for 0 and -x 0/-1=0 and -x/-1=1 hope that helps
Answer: Infinitely many solutions.
1/9
1/9 is a fraction, so it is rational.
3(7+5)
21+15
Each term is divisible by 3
3*7 +3*5
I believe it’s 80 but I’m not sure