Answer:
5 seconds
Step-by-step explanation:
In 5 seconds it will be at 98 meters
x = -b/2a
x = -20/2(-2) = -20/-4 = 5
Answer:
Yes
Step-by-step explanation:
I've done this before.
Answer:
1/2
Step-by-step explanation:
its 1 out of 2 chances
Answer: Check explanation
Step-by-step explanation: -g-6, 9d+3, -12y+20, 14n-29, -2c, x+21/2