PL HELP ASAP Solve the equation and check your answer.

6 1 /2 = 1 1 /4 + n
Which statements are correct? Check all that apply.
To undo what has been done to the variable, add and one-fourth to both sides of the equation.
To undo what has been done to the variable, subtract and one-fourth from both sides of the equation.
n = 5 and one-fourth
n = 7 and three-fourths
Check the answer by substituting n = 7 and three-fourths for the variable in the original equation.

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s

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: