If the basketball player scored 15 baskets out of 21 tries. how many tries would it take to score 20 baskets?

Can some one me, i’ve been asking for so long

(hurry! ) which expression is equivalent to the following complex fraction?

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.