I need algebra help.

Step-by-step explanation:

From the table given in the question,

x            y              Difference                  Ratio

1            12                     -                             -

2           36              36-12 = 24              

3          108            108-36 = 72            

4          324            324-108 = 216        

5          972            972-324 = 648      

There is a common ratio of 3 in each successive term.

Therefore, data given in the table will represent an exponential function.

For a point

------(1)

For another point of the table ,

--------(2)

Equation (2) divided by equation (1)

From equation (1),

Therefore, exponential function will be,

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

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: