The sign of the product of –35 and –625 is . the sign of the product of 263 and 0 is . the sign of the product of –21 and 451 is . the sign of the product of –350 and 89 is .

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples