Answer: 7
Step-by-step explanation:
You need to find the area of the total rectangle, and subtract the area of the green rectangle from it. Therefore the solution is 12x10 - 8x6. This equals 72; part (C) of the question.
Therefore the solution is 72 units square; part (C).
Hey there!

Graph coming up right below!
Hope this helps!

Answer:
10 + 30
Step-by-step explanation:
if there are 2 negative signs they both cancel each other making it a positive, making the expression 10-(-30) into 10 + 30
Ps: Those 2 equations have the same answer
(could i have brainiest?)