If there were 138 people at a party and 414 finger sandwiches were eaten, on average, how many sandwiches did each person consume? a.7b,4c.30d.3

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

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.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?