Combine like terms in the given polynomial. Then, evaluate for x = 3, y = – 1. xy + 3x y2 - 2xy + 3x+ y - 2xy2 + xy

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour.is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247