If oil costing $22.50/barrel is combined with oil costing $35/barrel, how much of each is required to create 1250 barrels costing $27.50/barrel

Do u just plot the numbers on the graph like (1,

Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form