Can someone help me with this

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.

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18