Customers of a phone company can choose between two service plans for long-distance calls. The first plan has a $22 monthly fee and charges an additional $0.16 for each minute of calls. The second plan has a $28 monthly fee and charges an additional $0.11 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?