Can someone help me with this one and my last one

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

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?