Carol has 8 hours to spend on a mountain hike. she can walk up the trail at an average of 2 mph and can walk down at an average of 3 mph. how long should she plan to hike uphill before turning around

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Jasmine wants to eat at 8: 00pm her meal takes 65mins to cook what time does she need to put the meal in the oven

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?