The answer is selections 1 and 4
Answer:
.
Step-by-step explanation:
Answer:
6,889
<em>Multiply </em>83 x 83.
<h3>
83 x 83 = 6,889.</h3>
Therefore, 83 squared is 6,889.
A.

from the question,
the total speed for the pedestrian is
40km and the total time is 10hr
substitute them in the formula, we get

speed = 4km/hr
B. 10hrs - 6hrs = 4hours
C. BC is deacceleration = -dv/dt
CD is constant acceleration = dt = 0
well because he did not do it