Question

Please help me and thank you.

Answer 1

It’s the last one 482.5

Answer 2

`482.5\:\mathrm{in^2}`

Explanation:

The area of the figure consists of a rectangle with a triangle removed from the corner of it. Therefore, the area of the composite of the figure can be found by subtracting the area of the triangle from the area of the rectangle.

Area of the rectangle:
`25\cdot 20=500\:\mathrm{in^2}`

Area of the triangle:
`(1)/(2)\cdot 5\cdot 7=17.5\:\mathrm{in^2}`

Thus, the area of the figure is
`500-17.5=\boxed{482.5\:\mathrm{in^2}}`