At the beginning of the bake sale, Mary set aside 4 pies for herself. Karen then bought half of the remaining pies for her birthday party, and 12 more pies were sold during the sale. When the sale was over, there were 15 pies remaining. How many pies were there before the bake sale started? (Hint: Work Backwards)

The distance around the lake is 2 kilometers. ifelena wants to run 14 kilometers this week, howmany laps must she run around the lake

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?