The proportional relationship should require they y-intercept and is then 0 and the linear relationship should be in a straight line to be a linear! Hope this helps!
Here is your answers worked out !
A= 3.14* 12^2
= 3.14* 144
= 452.16cm^2
Answer:
u put the algebraic like terms together whether they add or subtract each other
It is -72 lol. that's pretty basic you know
