Robbie is building a dollhouse for his niece. The living room has a width of 8 inches and a length of 10 inches and has an area of 80 square inches. He wants to increase the width of the living room but leave the length the same. Write an equation to represent the relationship between x, the width of the room, and y, the area of the room. = 10y :: y = x + 10 :: y = 10x :: 2 = y + 10​

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.