which number is a perfect square ?
a. 33
b. 37
c. 48
d. 49

Answer:
49
Step-by-step explanation:
Because sqrt(49)=7
others are Real numbers
Answer:
49.
Step-by-step explanation:
A perfect square is a number that can be expressed as the product of two equal integers. The only way to accurately calculate if a number is a perfect square is to find the factors.