Question

4mn + 5pn + 4mq + 5pq​

Answer 1

Answer:

Materials like air, water, and clear glass are called transparent. When light encounters transparent materials, almost all of it passes directly through them. Glass, for example, is transparent to all visible light. Translucent objects allow some light to travel through them.

Step-by-step explanation:

Answer 2

Answer:

The answer is:

18m^2n^2p^2q^2

Step-by-step explanation: