Help me please this is 7th grade math

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.

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points