it is 40.5 because area equals base times height.
The air resistance acting on the un-crumbled sheet is greater.
Answer:

Step-by-step explanation:

Answer:
Answer is 9 feet = 9 fe 2t
w= 9fe 2t
Step-by-step explanation:
Complete the math in the brackets (4a + 1)
Multiple each term in the brackets by 4a
4a (8a - 4a + 1)
4a (4a + 1)
16a^2 + 4a