If we divide 12.6/4.5 by 3 we receive 4.2/1.5. So yes they are proportional. <span />
Answer: y = 0
Step-by-step explanation:
Answer:
23°
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ;)
9x-3y=15
-3y=15-9x
y=-5+3x
Slope is -5