7.6
Use the Pythagorean theorem
3^2 + 7^2 = c^2
9 + 49 = 58
square root of 58 =
7.615
743 is a prime number because it has no other positive divisors besides one and itself.
Its 160 .................
11/15, you would just divide 22/30 in half and that's as far as it can go.
