City is located at a height of 138 m above sea level while a town is at a height of 51 m below sea level represent the altitude of the town using a negative number hence find the difference in altitude between the city and town ​

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

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.

Does the point (1, sqrt 7) lie on circle shown.