Jennifer borrows $20.40 from her mom to buy a new watch. later, jennifer earns $12.24 by mowing her neighbor's lawn and gives the money to her mom. how much money does jennifer still owe her mom?

Which function is represented by the graph? a. f(x)=|x-1|+3 b. f(x)=|x+1|-3 c. f(x)=|x-1|-3 d. f(x)=|x+1|+3

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required

Zack and tia played chess for 50 min they put the chessboard away at 11: 20 when did they start