Is about making sure experimental and control groups are equivalent, and is about selecting participants from a population so that the selected group is representative of that population. internalization/externalization external validity/internal validity a random sample/a random assignment a random assignment/a random sample

Sara bought 12 3/4 cakes sara's friends ate 3/8 how much cake is left

Melissa is a very generous single woman. before this year, she had given over $11,400,000 in taxable gifts over the years and has completely exhausted her applicable credit amount. in the current year, melissa gave her daughter riley $100,000 and promptly filed her gift tax return. melissa did not make any other gifts this year. how much gift tax must riley pay the irs because of this transaction?

You decided to charge $100 for your new computer game, but people are not buying it. what could you do to encourage people to buy your game?