Answer: 64
Step-by-step explanation:
By definition, a perfect square is the square of a whole number.
The information given in the problem that you must keep on mind is:
- The number has two digits.
- The number is a perfect square ( Is obtained by squaring a whole number).
- The sum of its two digits is 10.
The number 64 is formed by the digit 6 and the digit 4. The sum of both digits is:

The number 64 can be written as:

Then, it is perfect square.
Answer:
Today's price is $36
Step-by-step explanation:
37.5-4%= (37.5x.96)=36
That would be $19.
let me know if you have any further questions
:)