The Greatest Common Divisor $(GCD)$ of $13, 23,$ and $31$ is .......

If $a, b, c$ are distinct prime integers,then the ratio of their $HCF$ to their $LCM$ is:

The Least Common Multiple $(LCM)$ of $23, 35,$ and $46$ is . . . . . . .

Explain why $7 \times 11 \times 13 + 13$ and $7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 + 5$ are composite numbers.

$\pi$ is a type of number known as:

The graph of the linear polynomial $p(x) = 5x + 3$ is a . . . . . . .