Cho khối chóp S. ABCD có thể tích bằng a³ . Gọi M là trung điểm của SA. Thể tích của
khối chóp M. ABCD bằng

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

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 term makes it inconsistent y=2x - 4 ?