Let x represent the number of years since 2000 and let y represent the number of coins in a coin collection. The number of coins in the collection from 2000 to 2010 can be modeled by the function y = 3x2 + 11x + 25. In what year did the coin collection have 155 coins?

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.

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?