What is 18/90 as a fraction in simplest form

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 value of x in the following equation. -x ^3/2 = -27

Find the value of x. give reasons to justify your solutions! c ∈ ae