Word use and suffixes

Miguel is making an obstacle course for field day.at the end of every sixth of the course,there is a tire .at the end of every third of the course,there is a hurdle.at witch locations of the course will people need to go through more than one obstacle?

In which sentence does the verb agree with the subject? a. dominoes or a board game are a good choice for tonight. b. either mom or dad cook dinner for the family each night. c. neither braids nor a ponytail keeps my hair out of my eyes. d. either mom or dad cook dinner for the family each night.

Which of the following is not prohibited by georgia law? a. crossing a dividing section, barrier, or unpaved strip, which separates two roadways   b. coasting with the gears or transmission of the vehicle in neutral when traveling on a downgrade   c. entering or leaving any controlled-access (interstate) roadway at authorized entrances