If your numbers are 4 1/2 and 2 1/2, then at the end of round 2 brian would have lost 7 points in total
Divide I from both sides then subtract r from both sides, too so in the end:
R= (E-r)/I
X^2-9=0 add 9 to both sides
x^2=9 take the square root of both sides
x=±3
Answer:
B
Step-by-step explanation:
Find all probabilities:
A. False

B. True

C. False

D. False

This one is probably f(x)=2(4)