Step-by-step explanation:The cross section is a rectangle. Note that not all cross sections of a rectangular prism are rectangles. Figure 4 shows the cross section of a right rectangular pyramid parallel to its base.
(i have no idea if this is right or not i learned this form my teacher.)
PEMDAS A. 4*4-4-4=16-4-4=12-4=8 true B. 4*4*4-4=16*4-4=64-4=60, not 8 false C. 4*4+4-4=16+0=16, not 8, incorect D. 4(4+4)-4=4(8)-4=32-4=28, not 8 incorrect