-7=z/4 solve for z this is for a grade will mark brainliest if right!

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer