This is part of my maths work for school

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.

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x

Hundred and tens tables to make 430 in five different ways