Iknow vertex form is y = a(x - h)^2 + k, and i believe i know how to find the h and the k. i was hoping someone could me figure out how to find the a, and also how to convert vertex to standard.

(highschool not middle school)

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

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.

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)