He is wrong because as long as they have the same terms/ variables behind the number it doesn’t matter about if it is positive or negative
Answer:
3.14
Step-by-step explanation:
The formula for the area of a circle is 
, where r is the radius. In this circle, the area would therefore be 
. However, since this is only a quarter circle, you need to divide the area by 4, meaning that the area of this shape is 3.14 square units. Hope this helps!
Answer:
D
Step-by-step explanation:
6(x + 8) = Plug in x with 4
6(4 + 8) =
6(12) =
72
Answer:
A, C
Step-by-step explanation:
