What is 2 thirds plus 1 sevenths?

What is 3 times as much as 50? How is 30 hundredths and 3 tenths the same? What 162 divided by 27? Can a linear programming problem have multiple optimal solutions? What do the dashed lines represent? Are you converting from a smaller unit to a larger unit or from a larger unit to a smaller unit? What is the 9 plus 10 meme? What is the slope of the line that passes through (-42) and (15)? What is a many angled figure called? What is 16.5 divided by 9? A polygon with 23 sides is called what? What is 9 over 12 as a percentage? What is 123456x123456? What divided by 12 equals 12? What two square numbers when subtracted make 5? What is a check digit on a check? What is 6509 divided by 9? What is the gallon capicity of a 1999 Chevy suburban 1500 gas tank? What is one fourth of a shaded area? What does undici mean?