What is 3.92 written as a percent?

0.0392%
0.392%
39.2%
392%

this one is for my friend : 3

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

In the diagram below, abc is congruent to dec what is the value of x

Plzzz answer both questions and i will give you 100 points