On Monday, Ken spent half of his money on a new game. The next day he earned $12 mowing lawns. He now has $32. How much money did Ken have before he bought the game?

Find two numbers if their sum is 91 and the ratio is 6: 7?

Meee i honestly dont know what this question talking about

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