find the echelon form of this augmented matrix written so there are 1's on the diagonal 1,-2,3,300,-1,3,-1,100,1,0,8,1400

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.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

In which form is the following function written? y = - 2(x – 3)(x + 5)