Select whether the number is rational, irrational, or imaginary. 1/4

What is the answer to |-2x-5|-|-4+8| and x=7

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits