Q7: D
Q8: B
Step-by-step explanation:
Q7:
A cuboid is a three-dimensional shape, having six faces, where all the faces (top, bottom, and lateral faces) of the prism are rectangles, and every two opposing side faces are identical.
Therefore a cuboid is a rectangular prism.
Q8:
Volume of a cube
= l³
= 6 x 6 x 6
= 216 m³
5=4x+2x-7
5+7=6x
12=6x
12/6=6x/6
2=x
A square is categorized as a regular quadrilateral. It consists of four equal angles and sides.
-6 minus parentheses -1 parentheses
-6 - (-1)
When there are two negatives, they cancel out to create a positive.
-6 + 1
The answer is -5.