Answer:
25 = c
Step-by-step explanation:
You had a good start on filling in the values in the Pythagorean Theorem. The work needed to be finished.

Answer:
50 m/s
250 m
Step-by-step explanation:
180 km/hr × (1000 m / km) × (1 hr / 3600 s) = 50 m/s
50 m/s × 5 s = 250 m