On a breezy day, bonnie pedaled her human-powered aircraft 100 100 meters in 15 15 seconds going into the wind, and she made the return trip in 10 10 seconds with the wind. what were the speed of the wind and bonnie's speed in still air? use x x for the speed of the airplane in still air and y y for the speed of the wind

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?