Look at the example. for the first step. jaime thought "how many groups of 20 in 1,400? there are 70 " if he continues with the division steps, when will he know that his first estimate of 70 is to high

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.

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

15/16 as a decimal rounded to the nearest hundredth