Discover Questions

Solve the inequality 4 < -z -4 < 11. Give result in set notation and graph it. See image.? PLEASE HELP WITH THIS MATH INDUCTION PROOF QUESTION!!!
4+4^2+4^3+...+4^n=4/3(4^n-1)? With the Arctic melting faster and faster, will you need canoes in the New York subways, soon? When NaOH(aq) is mixed with CuSO4(aq) a precipitate forms. Based on solubility guidelines the formula of the precipitate is -.? Can someone please help out with a couple of Algebra problems? show work if possible please!?