Four students are to be chosen from a group of 10 to fill the positions of president, vice-president, treasurer and secretary. in how many ways can this be accomplished?

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

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 area of mnp? 40 m2 60 m2 68 m2 127.5 m2