Find the perimeter of ΔABC

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.

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

In the diagram below,abc is congruent to dec what is the value of x