Help me please help me

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer