Answer:
D or last answer choice.
Explanation:
Separate the figure into 2 parts. A rectangle and a triangle.
The rectangle has a width of 3 and a length of 7 therefore 1 or the equations should be 7*3
The triangle has a width of 6 and 7 and to find the area of a triangle you need to see the triangle as a rectangle or square and then multiply 1/2 to the product.