On her birthday Sarah brought 10 cupcakes to school to share with her friends . If her friends are 7/10 of the cupcakes, how many cupcakes does Sarah have left

5(-9w) put expression in distributive property

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight