Answer: For the first question it is basically half of the polygon.
Step-by-step explanation:
If you count the units, for example one of the side is 4 units. What is half of 4. It is 2
Answer:
Option 2
Step-by-step explanation:
0.4x + 3.8 ≥ 4.8
0.4x ≥ 4.8 - 3.8
0.4x ≥ 1
x ≥ 1/0.4
x ≥ 10/4
x ≥ 2.5
It looks like you're given

Then by the additivity of definite integrals this is the same as

(presumably this is what the hint suggests to use)
Then by the fundamental theorem of calculus, we have

Answer:
decrease by 5
Step-by-step explanation:
n= 10
then in sequence,
n= n-5