Gan arch has the shape of a semi-ellipse. the arch has a height of 8 feet and a span of 20 feet. find an equation for the ellipse and use it to find the height, in feet, of the arch at a distance of 5 feet from the center. (round your answer to the nearest hundredth if necessary.)

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.