Equation of a Line Word Problem

A delivery service charges $ $$\text{}10$$ per mile, starting with a flat fee of $15. Write an equation for the total cost, $$y$$ , of a delivery that depends on the number of miles, $$x$$ .

Which situation can be represented by y=12x-4?
*Hint: Pay attention to your sign for your y-intercept*

Which equation best represents the relationship between x and y in the table shown?

Which equation matches the table?

Which equation represents a line that passes through the point (3, -4) and has a slope of 7

The given table represents that total saved (y) after x number of months.

a) The (y-intercept) initial value is (a)   and the slope is​ (b)  

b)The linear equation is ​ (c)  

What is the equation in standard form of the line that passes through the point (6, -1) and is parallel to the line 8x+3y=15?

a) The equation for the table: (a)   b) Use the equation to find y when x =7​ (b)  

c) Find x when y=17​ (c)  

a) The initial value, b, is​ (a)   and the slope is​ (b)  

b) The equation representing the water remaining, y, after x hours​ (c)  

Write an equation 
m = 1/3 through (4, 4)