The difference of twelve and twice a number b, divided by negative four. when b = -2

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false