Answer:
B
Step-by-step explanation:
I think I'm not sure. Please tell me if I'm wrong.
Answer:
=9y^2−4
Step-by-step explanation:
3y−2)(3y+2)
=(3y+−2)(3y+2)
=(3y)(3y)+(3y)(2)+(−2)(3y)+(−2)(2)
=9y^2+6y−6y−4
=9y^2−4
Answer:
D.(4,4)
Step-by-step explanation:
I believe D is the answer
The best design for this study is to do an independent and dependent experiment of the outcomes from different types of soils for tomato plants.