Answer:
Sue of estimates = 6200
Step-by-step explanation:
can be estimated as
which is 
Similarly
can be estimated as
which is 
∴ Sum of estimates = 
Answer:
Square
Step-by-step explanation:
It has four coordinates which means four vertices which is four sides. Can also be a rectangle or parallelogram.
.
The expression can be solved by expanding the bracket and multiplying out the terms


Therefore, the expression can be simplified as;

Alternatively, using the theorem of difference of two squares, which is

Hence,

Hello :) the answer to your question would be 5. There are 5 bricks in each bag. 35/8
Answer:
The coefficient is 3, the number right before the variable.