Ineed on this question! how do you work this out?

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?

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds. then use the distributive property and mental math to evaluate the expression.

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i