Answer:
(a) Stops, turns around and starts travelling back towards home.
(b) 8 km/hour.
Step-by-step explanation:
(b) Jo travels 4 kilometres in 1/2 hour = 9 km/hour.
The constant term in the equation is -20 because you will always be subtracting 20 no matter how big x is
Answer:
x(x-1)(3x-1)(x+3)
Step-by-step explanation:
Take the square root of 10,000, which is 100.