Which set of coefficients of the terms in the expansion of the binomial (x + y)3 is correct?
1, 3, 3, 1

1, 4, 4, 1

1, 2, 2, 1

1, 5, 5, 1

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk