Let, the number = x
It would be: x * 0.135 = 57
x = 57 / 0.135
x = 422.23
Hope this helps!
(3a^2 - 3b)(2a^2 - b)
3a^2(2a^2 - b) - 3b(2a^2 - b) =
6a^4 - 3a^2b - 6a^2b + 3b^2 =
6a^4 -9a^2b + 3b^2 <===
Answer:
c.
That's because numbers like 2,31, 50 and so on are integers while 2.4, √66 ND so on are not
3 3/4 =3.75
20.25 divide 3.75 = 5.4
one pound of candy costs 5.40