Find the missing number + 8 = 4

Two different linear functions are shown below with two points given from each function. use slope-intercept form or point-slope form to find the equation of each. linear function a points: (–5, –2), (–5, 7) linear function b points: (7, –5), (–2, –5) function a has: the equation of line a is: function b has: the equation of line b is:

The variable in a relation who’s value depends on the value of the independent variable is called what?

How do you use the elimination method for this question? explain, because i really want to understand!