Select all the expressions that cannot be factored using integral coefficients and integral constants
25x^2-40x+16
2x^2+x+4
6x^2-2x-20
x^2-2x-4

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.

Which of the following is the result of expanding

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?