Afriend bought 2 boxes and 8 notebooks for school, it cost him $11 he went back to the store the same day to buy school supplies for his younger brother. he spent $11.25 on 3 boxes of pencils and 5 notebooks. how much would 7 notebooks cost?

S-7< 3 i need answering this problem someone asap answer

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.

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.