How many solutions does y=1/2x+1 and y=1/2x-4 have

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288