When the sum of a number and 3 is subtracted from 10 the result is 5. identify the integer.

Seth practice piano for 1 1/3 hours on saturday and 5/6 hour on sunday for much longer did he practice on saturday than on sunday?

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.