The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system.
lo 4!
0 1 -
13
0 0 1 1
a.
X=-6
y= 4
b.
x = 5
Please select the best answer from the choices provided

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Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.