“f ⊃ ~n, i ⊃ f ∴ i ⊃ ~n” is a:
a) modus tollens b) modus ponens c) contraposition d) hypothetical syllogism e) disjunctive syllogism

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.

Solve 2x+y=3 x+y=5 in substitution method

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