Solve for x and y (x+yi) + ( 4+9i) = 9-4i a x = 9 and y = -4 b x = -9 and y = 4 c x = 5 and y = 13 d x = 5 and y = -13

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form.

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Find the value of x. give reasons to justify your solutions! l, m ∈ kn