Let triangle abc right angled at ac>ab altitude ah let d, e be the projection of h on ab and ac a)cm ad. Ab=ae. Ac and triangle abc ~triangle ade b) know three=root 12 cm, hc=4cm 1) calculate ac, bc, de

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.

98 point question what is the record for most points in one

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z