Which solution is correct? be sure to check for extraneous solutions.

1
x
+
1
6x
=
1
18
a) x = 1
b) x = 21
c) x = 18
d) no solution

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