The number line below shows how many feet above a pool a ball was dropped from (start) and how many feet sank (end)

-2

0

1

3

1-1

End

21

Start

According to the number line, how many feet did the ball travel?

OA. 13

ос. -

OD.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

25/6

step-by-step explanation:

you multiply 4 by the denominator (4*6=24) and add it to the numerator which makes it 25/6.

49/6 is going to equal 8 1/6