We're comparing 80,000 with 80.
One way to do this is divide the two numbers: 80,000/80 = 1000.
80,000 is one thousand times greater than 80.
A. Open side up: 3/25
b. Closed side up: 7/25
c. Landing on its side: 15/25 or 3/5
Step-by-step explanation:

Sqrt of 125
10^2 +b^2= 15^2
100 +b^2=225
B^2=125
No perfect square for 125 so leave it in radical form