Harrison has 40 CDs in his music collection. If 30% of the CDs are country music and 50% are pop music, how many CDs are other types of music?

There are CDs that are other types of music.

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.

When y’all answer can y’all explain too !

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.