Mrs. Smith opened a checking account with $100. In the first month, she wrote checks for $42 and $35 and deposited $350. How much was in her account after these transactions.

$373

Step-by-step explanation:

$100 - $42 = $58

$58 - $35 = $23

$23 + $350 = $373

Mrs. Smith has $373 in her bank account

go and ask your mom to you

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: