I have 4 Math questions that I need help on. Can someone that is getting an excellent grade in math and is passing there math class please please help me with these's questions. [Just The First 4 Questions That's It] ( Just Tap On My Profile Name And Go To My Math Questions). You Will Be Mark Brainliest. Please be very honest and correct. Very important. ​

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

What is the simplified form of square root of 400 to the 100th power ?