Train A is traveling 50mph and starts 100 miles from the station. Train B is traveling 40mph and starts 130 miles from the stati
1 answer:
You might be interested in
Answer: x³+y³=180
Step-by-step explain: let's remember the formula x³+y³=(x+y)(x²-xy+y²) and also x³+y³=(x+y)³-3xy(x+y) then