I bought a train set. It says on the kit "scale 1:16." If the model train is 20 inches, how big is the real one?

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.