Choose the graph that displays the solution to the system of equations.
x=y-2
y-8=-x/2
Graph A:(4,6)
Graph B: (2,4)
Graph C: about (6.5,5.5)

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Math it's appreciated. (picture provided)

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0