If the radius of. Circle P is 18 with a center at (0,0), the radius of circle P' is 12 and has a

center of (1,1). Which statement is always

true?

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.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Could someone with number 1 and 2