If the equation of a parabola is y = 7(x-4)^2+v and its vertex is (4,-2) , what is the value of v in the equation

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Sum is 17 and their difference is 3

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.