Answer:
Erm. If you know pie use it with the 3.141 Since its a half circle i believe you need that since thats the equasion with it. I don't really know :P
Step-by-step explanation:
Answer:
B) 3
Step-by-step explanation:
f(3) = 3^2 + 3(3) = 9 + 9 = 18
Answer:
Point Y is the center of the circle that passes through points D, E, and F.
Step-by-step explanation:
Answer:
The required probability is, 
Step-by-step explanation:
Of 24 employees at a local supermarket, 13 work as cashiers and 11 stock shelves. If 4 employees are selected at random to work overtime, then
P( all 4 are cashiers) = 

Yes it is. Input the numbers into the pythagorean theorem,

and if they equal each other it is a right triangle.