Answer:
exactly 72
bcs 16*4,5 it is
The answer is 72 meters
Step-by-step explanation:
So we know that she can walk 16 meters in 10 secs. Therefore she can walk 64 meters in 40 secs and for the 5 secs remaining you just put half of 16 which is 8. We add the 64 and 8 together and we get 72
y = x^2+2x+1
x^2+2x+1
= (x+1)^2
Answer: x=3 y=6
