This question is kind of confusing to me. Can I get some help?

How many solutions does the nonlinear system of equations graphed bellow have?

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.