How to determine which lines are parallel

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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 of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?