True or false? an isosceles triangle can be scalene. a. true b. false

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.

Find the value of x for which the lines are parallel.

It says factor each expression 49x-28?