Step-by-step explanation:
a, 3
b,
draw lines through the corresponding corners of each shape These lines will cross at the centre of enlargement O
Answer:
A = 4a² - 4ab + b²
Step-by-step explanation:
The area (A) of a square is calculated as
A = s² ( s is the side length ) , so
A = (2a - b)² ← expand using FOIL
= (2a)² - 2ab - 2ab + (- b)²
= 4a² - 4ab + b²
Answer:
The small box contains 21 cans
<em></em>
Step-by-step explanation:
Represent the small box with S and the large with L.
For Estelle:

For the boy:

Required
Determine the cans in the small box
--- (1)
--- (2)
Divide (2) through by 4

Make L the subject

Substitute 46 - S for L in (1)


Open bracket


Collect Like Terms


Divide both sides by 2

<em>Hence, the small box contains 21 cans</em>
Answer:
it would be the second opition
Step-by-step explanation:
Can you put a picture because I can’t se anything