True or False. Is (3,1) a solution to this system: y= 2x + 1 Y= 4x-1

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

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?