In a proposed business venture, a businesswoman estimates there is a 70% chance she will make $51,000 and a 30% chance she will lose $66,000. Determine her expected value.

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?