Answer:

Step-by-step explanation:
use the form
to find the values of a, b, and c.

consider the vertex form of a parabola

substitute the values of a and b into the formula 

simplify the right side.
find the value of e using the formula 

Answer:
If your looking for the Coefficient it is 17
8+2=10!!!!!!!!!!!!!!!!!!!!!!
Answer: Speed of motorboat= 25 km hr
Speed of current= 5km hr
Step-by-step explanation:
120/4= speed of motorboat with the current
120/6= speed of motorboat against the current
Get the average of those 2 numbers.
Motorboat=25 km hr
Speed of current= 5 km hr
Answer:
b
Step-by-step explanation: