Answer:
Vertex: 
Solutions: (0,-7), (1, -1), (2, 7)
I hope this helps!
Answer:
-1
Step-by-step explanation:
2 × (-1²) + 1 = 2 × (-1) + 1 = -2 + 1 = -1
Answer: |-2| is greater
Step-by-step explanation:
I hope it's right(Which i'm like 99.9 percent sure it is)
There fists meet after 3 seconds
30 x 3=90
70 x 3=210
210+90=300
Goku at 90 mm
Vegeta at 210 mm