Do these ratios form proportions? YES or NO

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

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 florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

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