Which equation can be solved to find x

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

43lbs of tomatos cost $387. how much would 41lbs cost

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.