Write the slope-intercept form of the equation for the line. write the slope-intercept form of the equation for the line.

Country carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. city carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Hi, can anyone show me how to do this problem? 100 points for this. in advance