Which expression is equivalent to 3 (y - 7?)
y - 4?
-3y + 21?
3y - 4?
-21 + 3y?

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 all the angles that satisfy the equation cos(θ)=32

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?