To log on to the school computer system, each student must chose a password
wich 2 digits and 2 kebers, in that order. Each letter and digit may be used only
once, how many different passwords are posible

ii6tyhj7 juj3yyj333ju jmyhthhtk7h jg hajj jiijh

b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation: