Select the common unit rate you would use to solve a problem involving the speed of a vehicle. a. earnings per week c. kilometers per hour b. words per minute d. miles per gallon

Which of the following situations best demonstrates the principle of separation of powers in the u.s. government? a. the president can veto laws passed by the legislature. b. the courts must approve constitutional amendments. c. states create their own educational policies. d. members of the legislature are elected by voters.