C is false because the democratic-republicans believed in a strict interpretation of the constitution and now since there are only 3 answers left those 3 are you answers. (sorry I'm late I hope it helped)
Hello! To find the unit rate in miles per gallon, all you have to do is divide the amount of miles by the amount of gallons. 2½ is 2.5 in decimal form. 50/2.5 is 20. There. The unit rate is 20 miles per gallon.