So like this works right i just dont got a calculator

Need some ! asap i need to figure out 3 major changes in bridges over time and why these changes to adapt to both improvements in technology and changing social links would also alot.

During which period did the artists create works using software such as photoshop, without actually programming

Awork of art that guides the viewer’s eyes through the use of shapes, lines, colors, or edges is an example of which principle of design? movement symmetry balance emphasis