Wale was twice as old as Ajay 10 years back. How old is Ajay today if Wale will be 40 years old 10. years hence?

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9