Express the ratio as a fraction 16:48

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

What is the rotational symmetry of a wheel