Question

help me plz help me plz help me plz help me plz help me plz help me plz help me plz help ​

Answer 1

Answer:

my brainlist

Step-by-step explanation:

pleaseओके

Answer 2

Answer:

option 3 is correct

$we \: know \: area \: of \: rectangle \: = product \: of \: sides \\ area \: = (a + b)(a - b) \\ = {a}^{2} - {b}^{2}$