Does the equation below represent direct proportion? If yes, identify
the constant of proportionality.
8x2 = y

What can you determine about the solutions of this system

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.