Solve the system solve the system of equations of equations {y= 2x+7 y = 25−x a (19, 6) b (6, 19) c (-6, -19) d (19, -6) e none of these

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

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.

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?