Which pair of expressions below are equivalent (the same)? Be ready to explain your answer choice. a) 3x + 3y and 6xy

b) 2(x + 7) and 2x + 14

c) 3x + 6x and 18x

d) 12x + x + x and 13x

Please help it’s a really important homework assignment and I need to do it

20 points

i do not know this sorry : (

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