Afield is a rectangle with a perimeter of
1280
feet. the length is
200

feet more than the width. find the width and length of the rectangular field.

width is 220

length is 420

Step-by-step explanation:

420 is 200 more than 220.

when you add all the sides, 420+420+220+220 is 1280

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a

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,