The graph shows the price charged by a company to make international phone calls from the united states. Based on the graph what does the slope of the line represent? A-Each call costs 3 cents per minute.
B-Each call costs 5 cents per minute.
C-Each call costs 15 cents per minute.
D-Each call costs 20 cents per minute.

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?