Answer:
3/4
Step-by-step explanation:
I would just think of possible factors of 28 that come between 5 and 12. 28 is not divisible by 6, 8, 9, 10, 11, or 12, so this is easy. 28 ÷ 7 is 4, so there are 4 rows of 7 plants each. Yay!
Coefficient of x i.e a is negative so parabola will open downwards
Graph attached
Answer:
D
Step-by-step explanation: