1 coin is 4 ways
2 coins is 4*3 ways
3 coins is 4*3*2 ways
4 coins is 4*3*2*1 ways
so total is 4+12+24+24=64 sums
Answer: f^-1(4)= 2 f^-1(-5)= -4 f^-1(0)= 0
Step-by-step explanation:
Answer: The Quick shuttle has a greater initial value
Step-by-step explanation:
The We-Drive Shuttle has a initial value of $20 and the Quick Shuttle has an inital value of $30
His average speed in kilometers per hour is 8
