Sorry !!!!!!!!!!!! But i can give u only 1.....
say, 10/3 u get 3.3333333..... , by rounding using place value u get 3.33 .
Answer: Yes, it is correct
Step-by-step explanation: Because of that, When you multiply 4.2 x 3 x 4 = 50.4
Answer:
Not rlly sure, might be x=4/5y??? i dont know
5x^2 - (2x - 3)^2 =
5x^2 - ((2x - 3)(2x - 3)) =
5x^2 - (4x^2 - 6x - 6x + 9) =
5x^2 - (4x^2 - 12x + 9) =
5x^2 - 4x^2 + 12x - 9 =
x^2 + 12x - 9 <===
