Answer:
5
Step-by-step explanation:

Answer:
:Pi (π) is one of the most important numbers in mathematics. Roughly 3.14, it is a constant that we use it to calculate the circumference of a circle . It is an irrational number,pi is equal to c/d circumfrance /diameter that is 3.14
B) {x|x ∈ U and 2x is prime}
x is greater than 1.
the only even prime number is 2
2 times anything is even.
the minimum x value is 2. 2x is 4, therefore higher than the only even number
every value 2x will have a multiple of 2 so it will not be prime.
C. Medical expenses
When you find yourself in an accident your MEDICAL expenses are paid by the car insurance.
What do you mean this question dosent make any sence