Answer:
A quarter
of one lap of the track.
Step-by-step explanation:
Three students ran ran a relay and took turns running equal parts of the track.
The race was three-fourths of a lap long.
Let the length of one lap of the track=x
The length of the race
Since each of the students ran equal part,
Length run by each student

Therefore, each student ran a quarter
of one lap of the track.
A 68 since it is an = triangle
ANSWER
When
is written in the form
, it looks like 
EXPLANATION
To write
in the form
, we have to complete the squares.
We add and subtract half the coefficient of
square.

The first three terms of the function is now a perfect square.

We now simplify rto obtain,
