Y2-y1/x2-x1
8-[-13]/17-17
21/0
this is called undefined because its denominator is zero.
Answer:
x = -6
-18+4y=0 => 4y=18 =>y=18/4=9/2
Y=5
3x+20=0 => x=3x= -20=> x= -20/3
Step-by-step explanation:
Answer:
486 cm
Step-by-step explanation:
9×9=81
there are 6 faces
81×6=486
Answer:

Step-by-step explanation:
There are

different ways to select the four numbers between 1 and 42. Only one of this ways is correct (successful to win).
There are 30 different ways select the single number between 1 and 30. Only one of them is correct.
The probability of winning the jackpot is
