Answer:
(x+1)(x-1)^3
Step-by-step explanation:
If you need the steps, please request
12.5 km.
Distance = average speed x time = 25 km/h x 0.5 h = 12.5 km.
if wrong, sorry
(but most likely right)
4 x 100 = 400
400 ÷100 = 4
B= 100