Find the sum.

(4x^2+5x − 7) + (3−2x^2+6x)

2x^2+ 5x -7

-2x^2 - 11x -4

2x^2 + 11x -4

2x^2 + 3x +1

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?