Due today! describe how to use the independent and dependent quatities in a word problem to determine the rate of change, or slope

Independent variables are variables of a quantity that are not affected by any conditions.

Dependent variables are variables  of a quantity that change if conditions relative to that variable changes.

For example, we generally we take x as independent variable by x variable and dependent variable by y variable.

To find the rate of change we get two values of independent variable (x's) and two values of dependent variables (y's) to get two coordinates in form of

(x,1,y1) and (x2,y2).

.

the answer is a.

135 and 80

step-by-step explanation: