Answer:
(x+2)(x-2) = 0
Step-by-step explanation:
Friday - 185
Saturday - 185 x 2
= 370
Sunday - 370 - 50
= 320
2/9 is 32/144 in simplest form
Answer:
Length of other board
metres
Step-by-step explanation:
Given: Length of board =
metres
Length of board was divided into two.
Length of one piece =
metres
Let
= length of the other board
Length of the other board = Length of board - Length of one piece
So, 

Thus, length of the other board
metres