Find the area of the shaded regions below. give your answer as a completely simplified exact value in terms of π (no approximations).

see the diagram.

i think it is

step-by-step explanation:

a formal letter is a letter the you would send to a king

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead