I will give 20 points this is confusing, my math instructions say "Factor out a negative 1 from each expression", and the expression is, "-4-(5+3). TY! Please help fast!

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.

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?

Math it's appreciated. (picture provided)