Write [a] in Roman numerals.

Simplify the expression 2 * [a] + [b]([c] – [d])2 + |[e] – [f]|.

Simplify the expression [a] – [b]([c] + [d])2 + |[e]|.

Write [a][b][c][d]five in base 10.

Explain the process for rationalizing the denominator of an expression with a square root in the denominator.

Write [a] in base [b].

When writing a number in Roman numerals, explain when you would add the values versus subtracting them.

Two people are jogging around a track.  The first person takes 8 minutes and the second takes 10.  After how many laps will they both be at the starting point together?

Explain the different digits in hexadecimal (base 16) and their values.

Write the repeating decimal 0.[a][a][a]… as a fraction.