Hi, sorry i couldn't understand the format of the question, could you post a picture of the question please?
Answer: -0.5.
Step-by-step explanation:
The constant of variation k for the direct variation is given by:-

The given table:
x f( x )
0 0
2 -1
4 -2
7 -3.5
Then,

Hence, the constant of variation k for the direct variation is -0.5.
Answer:
32
Step-by-step explanation:
2x2=4/2=2 small triangle, 2x2=4 small square, 6x2/2=6 med. triangle, 6+2+2=10x4=40/2=20
2+4+6+20=32
I think it’s 500 volunteers
15flowers/3seedpackets
5 flowers/seed packet
*4
————————————
20 follows equals 4 seed packets
your answer is ——-^^^^^^^^^^^^^^^