Can someone help me?

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

Which of the following are accepted without proof in a logical system? check all that apply.

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.