Respuesta :

1.
x____y 
0+30=30
1+30=31
2+30=32
3+30=33
4+30=34
5+30=35

B. is your answer.

2. 
0•6=0
1•6=6
2•6=12
3•6=18
4•6=24
5•6=30

= 6•x

Your answer is B. y=6x

3.
Y goes up 5 times from x every time, so....

Your answer is D. y=x+5.

Hoped I helped! :)