Answer:
2
Step-by-step explanation:
divide both sides by 4, so that y is alone
6 seeds will sprout
9/30 = .3 or 30%
20 x .3 = 6
Answer: (3,5)
y=3x-4
2x-3y=-9
2x-3(3x-4)=-9
2x-9x+12=-9
7x=21
x=3
y=3(3)-4
y=5