Should i change my pfp to this or keep the one i have??? Free points :)

Find the value of x for which abcd must be a parallelogram -9-6x x-30

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

What are the first 4 terms in the multiplication pattern given by the formula 2×4n