Keiko says that when n is any positive integer, 1 nalways equals 1 and (21) nalways equals 21. Is Keiko correct? Justify your answer. NEED HELP ASAP

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.

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?