I say B : Ian because he's got the most score out of a the other students.
The root (zero) of this problem is A., x =5 only.
Substitute f(x)=0
0=x^2 - 10x + 25
Solve for x.
x = 5.
Answer:
4th option: 1953.08 mm
Step-by-step explanation:
circumference of circle= 
Thus, circumference of wheel

Answer:
1/20
Step-by-step explanation:
There are 20 spots on the board and the odds u will land on 5 would be 1/20