What does can't tell mean?

Is the square root of 112 a rational number? What can 17 divide into that goes into 68? How do you write 1695000 in decimal with four digits? What is the reflection of f of x equals x2 across the x axis? What does it mean when a 1999 Mazda Protege shows a p1170 code? 78 equals A N of P? What does the bible say about love? How many numbers can you add to get 152? Would you be walking faster if you walked 1 dam in 10 min or 1 hm in 10 min? What does a Parking restriction sign with 7.5 ton lorry and a no waiting symbol mean? How do you make nine using 4 twos? What is true about the relationship among the three side lengths of any triangle? How do you make a cuboid shape? How many 5s go into 375? How do you multiply trinomials with binomials in algebra? What is ten percent of 11989.67? How many yards is the 400 meter dash in track? What is pi r2 x height if the diameter of the circle is 25 ft and the height is 10 ft? What is the answer for 710 divided by 910? What does a mountain simplify?

What does can't tell mean?