1. ris 4 more than the product of 7 and 8

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.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Plz ( true - false) all triangles have interior angles whose measure sum to 90.