Find the area of each figure.
10 mm
15 mm
B mm
30 mm

370mm^3

Step-by-step explanation:

You would first find the area of the whole rectangle without the hole, so (15)(30)=450

Next find the area of the hole, (8)(10)=80

To find the area you must subtract the area of the hole from the rectangle.

450-80=370

A

Step-by-step explanation:

The pyramid's sides is twice as big so x is twice as big too