Need ! 10 points! a home alarm system randomly assigns a four-character code for each person. the code will not repeat a character. the characters are 2, 3, 4, 5, m, v, t, or r. what is the total number of codes that can be randomly assigned? a. 6,720 codes b. 1,680 codes c.336 codes d. 20,160 codes

The answer is 1680. To get this you do 8*7*6*5 because there are 8 options for the first character, and then you can repeat that for the second one with 7, 6, and 5

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step-by-step explanation:

step-by-step explanation:

let

we know that

the y-intercept is the y-coordinate of the point when the value of x is equal to zero

so

the y-coordinate of the point a is the y-intercept

the answer part a) is

the value of y-intercept is

part b) find the slope m

we know that

the value of the slope is equal to

substitute the values

therefore

the answer part b) is

the value of the slope is equal to

the general answer is

the slope is

the value of y-intercept is