Stem-and-leaf plots
question: how many swimmers were younger then 30
stem -- leaf
0
1-- 1
2-- 3,9
3 --
4 -- 7
5-- 5,7,7,9
6-- 5,5,6,6,7,8,9
7-- 0,1
key: 7-- 1 means 71

Solve the system by the elimination method. 3x - 2y - 7 = 0 5x + y - 3 = 0 to eliminate y, the lcm is 2. which of the following is the resulting equations? 1.3x - 2y - 7 = 0 5x + y - 3 = 0 2.3x - 2y - 7 = 0 -10x - 2y + 6 = 0 3.3x - 2y - 7 = 0 10x + 2y - 6 = 0

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

Which of the following represents the factorization of the trinomial below? x^2+7x-30