In the figure a b equals 27 b c equals 19 and ad equals 76 find cd

What is the sum of these mixed numbers 2 1/8 + 4 3/8

What properties allow transformation to be used as a problem solving tool

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.