divide distance by speed
equation: time = distance / speed
120/8.5 = 14.117 seconds
Answer:
its c
3 : 7
3/7
Step-by-step explanation:
Answer:
Option B. 
Step-by-step explanation:
we know that
The formula to solve a quadratic equation of the form
is equal to
in this problem we have

so
substitute in the formula
Remember that

substitute
