Just 1.
21 is not the square of an integer. The closest square number is 25.
21 and 2/6
21
21
1 and 4/21
5.25
1
The mixed number for 21 over 8 is 25/8
3 is the HCF
2 21/25
The sum of number and four times a number is 25 write in algebraic expression
The number relates to the size die it can take. mhp 17 is 17" 21 is 21" 25 is 25".