4 doubled is 8.
The area is multiplied by 4, not doubled.
Area is quadrupled (*4) and perimeter is doubled.
When the diameter is doubled, perhaps? Then the area is 4 x larger.
3/4 of a cup doubled is 6/4 of a cup, which equals 1 1/2 cups
Refer to the question. It says the base is doubled! And when the dimensions of the base are doubled, the area is multiplied by 4.
It is: (65+65)*4 = 520
One fourth cup doubled is one half cup, since 1/4 + 1/4 = 2/4, or 1/2.
It goes as velocity squared so if doubled increases by 4
the answer is -2 because |-2| is 2 and when doubled it is 4