In ellen's math class, there are 2 boys for every 3 girls . what is the the following ratio of boys to girls in the class ?
a . 17/21
b . 14/21
c . 7/14
d. 11/17

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.

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.