Add the fractions 3/14+15/21. Simplify your answer

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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

Ok a point t on a segment with endpoints d(1, 4) and f(7, 1) partitions the segment in a 2: 1 ratio. find t. you must show all work to receive credit.