What is the minimum number of points through which the line is drawn

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.

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'