What is the total surface area of a triangular pyramid that has an equilateral base with edges that each measure 6 centimeters?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?