In a 56 pound mixture of sand and gravel, 14 pound is gravel. how much gravel is there in a 1-pound mixture?

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

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

Solve the equation for x. 50(4x + 12) = 200