Answer:
i know
Step-by-step explanation:0.6
Answer: the answer is C because it is the only one that matches with one pair on the table wich is (4,2)
Step-by-step explanation:
Area of rectangle= lw

16r^2+ 2r -4r
16r^2 - 2r
2r ( 8r -1)
Answer:
This is because the number '20' is not a perfect square.
Step-by-step explanation:
If you find
, you will be getting 4.4721935955... which is not a whole number, thus 20 is not a perfect square.