First one; substitute x into the equation and see if the result equal y in the coordinate
B involves direct variation.
y and x are directly proportional.
Answer:
216
Step-by-step explanation:
put -3 where x is
3 ( 5 -3^2 - 9(-3) )
3 ( 45 + 27 )
3 (72)
216
2/9 ÷ 4/1 (keep,change,flip) is 1/18.
