I don't know what using disk means, sorry but I know that,...
7÷2=3.5
HOPE THIS HELPED :)
A "cross section" is basically the two-dimensional face that you get when you cut a three-dimensional figure a certain way. For example, imagine you're buttering your bread. When you cut a pat of butter off, what shape is left on the butter? A square!
So, imagine cutting a ball in half. What shape is left? A circle!
Answer: circle
B
Two points is a line
One capital letter is the plane
2x + 7 = 3
2x = 3 - 7
2x = -5
x = -5/2
