in a set of geometric figures, the mass of 4 pyramids and 2 cubes is 40 grams and the mass of 6 pyramids and 4 cubes is 68 grams

Which expression is equivalent to? assume x > 0 and y > 0.

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.

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?