Answer:
81(x + 2y)(x - 2y)
Step-by-step explanation:

Answer:
Its the bottom-right one
Step-by-step explanation:
Have a good day
The number is multiplied by 3 every time
and next three terms are 1/324, 1/972 and 1/2916
good luck
Answer:
50x20=1000+500= 1500
50x50=2500+500=3000
Step-by-step explanation:
2.5cm=25 mm
2.9cm=29 mm
3.1cm=31 mm
They give it in cm because it’s easier to guess how long it will be in real life