The original area of a face would be a^2. Now that you added b to the edge, the new area of each face would be (a+b)^2. To find how much the are increased, subtract a^2 from (a+b)^2.
So the answer is b(2a+b)
Answer:
348
Step-by-step explanation:
Length-l
Width-w
Height-h
A=2(wl+hl+hw)=2·(8·9+6·9+6·8)=348
Answer:
Decreasing from x = 1 to x = 6.
Step-by-step explanation:
The correct answer is 2x^3-40x-180
Cost of goods sold - expenses = net income
do this for each year and compare.