Solve 1/3(x-9)=2x+7

X=6

X=2

X=-6

X=-2

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.

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?