Answer:
Step-by-step explanation:
To change any whole number into a fraction, a must go in the denominator. Therefore:
4/1
i believe thats right since 4/1 is a fraction and it can be simplified to 4
1+2√2 ²π = 9+4√2 π cm² thats my answer
A and D
In the attached file
30
I think I cant tell what it says