12 6x/3=5-9/2

i need help

Use the diagonals to determine whether a parallelogram with vertices u(2,−2), v(9,−2), w(9,−6), and x(2,−6) is a rectangle, rhombus, or square. give all the names that apply.

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x

How can i differentiate this equation?