Caleb gave the cashier $20 to buy two identical christmas cards there were no sales tax or any other charges . the cashier gave calab $17.08 back how much did one card cost

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.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

What is the solution to the equation in the & show work i’m very