Tìm nghiệm của các đa thức sau: a) x2 – 6x + 5 b) x2 – x -12 c) x2 + 8x + 15 d) x2 + 7x + 12 e) x2 – 13x + 36 f) x2 – 5x – 24 g) 3x2 + 13x -10 h) 2x2 – 7x + 3 k) 3x2 – 16x + 5

where does the z at is it on the x axes or on the y axes any way if it is on the y axes put it horizontally and if it is on the x axes put it vertically

15 / 2 = 7.5

100 / 7.5 = 13.

what is the problem ?

the answer:

rolling a number cube twice

choosing a meal/drink combination

flipping a coin four times

i know because i just submitted my test and got everyone correct.