I don't recall doing well in algebra, but I do know that 3.25 x 4 equals 13. Hope that helps, Harrrie
13x1
It is: 13*13 = 169
4 x 13
AS a product of its prime factors: 7*13 = 91
It is: 1 times 13 = 13
nothing
11x11
8x6
13*125
12 squared.
it is a prime number
1*98
Some thing