Determine if the statement is always ,sometimes, or never true. the sum of the interior angles in a polygon is 360 degrees.

Find the quotient. 50a2 – 98b2 -5a +7b

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921