Hello :
the <span>coordinates </span> circumcenter for ∆DEF :
x = (1+7+1)/3
y = (1+1+5//3
x=3
y= 7/3
The order of the 3 books does not matter so its the number of combinations of 3 from 45
b is the correct choice
Answer:

Step-by-step explanation:
To find the quotient, convert the mixed number to an improper fraction first

Find the quotient now

Simplify
Divide by
both numerator and denominator

Convert to a mixed number

<span>83.212121 or fraction form is </span>83 7/33<span> </span>
Answer:es ist die d
Step-by-step explanation:weil