Astudent number system for a county requires that the student number be 5 characters.
the first 4 characters are any single digit number, but no character can repeat and the last
character must be a letter. how many unique student numbers are possible?

30,240
131,040
260,000
315,160

131040

Step-by-step explanation:

10*9*8*7*26

=131040

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.