Xavier is creating a password for his computer. The password is 5 characters long. He can use uppercase and lowercase letters and numbers 0-9, but the characters cannot be repeated. How many different passwords could he create?
A 300
B) 310
C 776,520,240
D 916,132,832

£56

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

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step-by-step explanation:

i used the pitagoras theoreme