In which set are all fractions equivalent to negative 2/3? { 2/−3, −2/−3, −9/12}

{ 2/−3 ,−2/3, −8/12}

{ 2/−3, −2/3, −9/12}

{2/−3 ,−2/−3, −8/12}

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.

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

I'm confused on this could anyone me and show me what i need to do to solve it.